lunes, 21 de septiembre de 2009

1.-(5/3)+(4/3)=2x
9/3=2x
3=2x
3/2=x
1.5=X

2.- (6/7)(3/9)+3x=4-(17/5)
18/63+3x=4-(17/5)
0.2+3x=4-3.4
3x=4-3.4-0.2
3x=0.4
x=0.4/3
x=0.13

3.- (23/3)+(16/9)x=23x-12
7.6+1.7x=23x-12
7.6+24.7x=-12
24.7x=-12-7.6
24.7x=-19.6
x=-19.6/24.7
x=-0.7

4.- 12x-18+(23/7)=(145/2)-4x
12x-18+3.2=72.5-4x
16x-18+3.2=72.5
16x=72.5+18-3.2
16x=87.3
x=87.3/16
x=5.45625

5.- ((14/2)(15/9)/(125/25))=17/3+(13/4)x
(210/18)/(125/25)=17/3+3.25x
5250/2250=17/3+3.25x
2.3=5.6+3.25x
2.3-5.6=3.25x
-3.3=3.25x
-3.3/3.25=x
-1.0=x

6.- 22-178+33/5-16x=147+(248/16)x
22-178+6.6-16x=147+15.5x
22-178+6.6-147=15.5x+16
-156+6.6-147 =31.5x
-149.4-147=31.5x
296.4=31.5x
296.4/31.5=x
9.40=x



7.- (2)(-3)(5)+25x =(147/15)x-248/43-223/105
-30+25x=(147/15)x-248/42-223/105
-30+25x=9.8x-5.9-2.1
-30+15.2x=-5.9-2.1
15.2x=-5.9-2.1+30
15.2x=22
x=22/15.2
x=1.44737

8.- (45/7)/(198/26)+28x=13+(14/67)(222/111)
1170/1386+28x=13+3108/1437
0.8+28x=13+2.1
28x=13+2.1-0.8
28x=14.3
x=14.3/28
x=0.5

9.- 48/5+(2/3)x=1657+345
9.6+0.6x=1657+345
0.6x=1657+345-9.6
0.6x=1992.4
x=1992.4/0.6
x=332.06667

10.- (2)(-5)(-7)(-8)(9)+257896-1247-5x=951753+456
-5040+257896-1247-5x=951753+456
5x=951753+456+5040-257896+1247
5x=700600
x=700600/5
x=140120

sábado, 19 de septiembre de 2009

tareititittasssssssss cuatrooooppppp

1.-(5/3)+(4/3)=2x
9/3=2x
3=2x
3/2=x
1.5=X

2.- (6/7)(3/9)+3x=4-(17/5)
18/63+3x=4-(17/5)
0.2+3x=4-3.4
3x=4-3.4-0.2
3x=0.4
x=0.4/3
x=0.13

3.- (23/3)+(16/9)x=23x-12
7.6+1.7x=23x-12
7.6+24.7x=-12
24.7x=-12-7.6
24.7x=-19.6
x=-19.6/24.7
x=-0.7

4.- 12x-18+(23/7)=(145/2)-4x
12x-18+3.2=72.5-4x
8x-18+3.2=72.5
8x=72.5+18-3.2
8x=87.3
x=87.3/8
x=10.9

5.- ((14/2)(15/9)/(125/25))=17/3+(13/4)x
(210/18)/(125/25)=17/3+3.25x
5250/2250=17/3+3.25x
2.3=5.6+3.25x
2.3-5.6=3.25x
-3.3=3.25x
-3.3/3.25=x
-1.0=x

6.- 22-178+33/5-16x=147+(248/16)x
22-178+6.6-16x=147+15.5x
22-178+6.6-0.5x=147
0.5x=147-22+178-6.6
0.5x=296.4
x=296.4/0.5
x=592.8

7.- (2)(-3)(5)+25x =(147/15)x-248/43-223/105
-30+25x=(147/15)x-248/42-223/105
-30+25x=9.8x-5.9-2.1
-30+34.8x=-5.9-2.1
34.8x=-5.9-2.1+30
34.8x=22
x=22/34.8
x=0.6

8.- (45/7)/(198/26)+28x=13+(14/67)(222/111)
1170/1386+28x=13+3108/1437
0.8+28x=13+2.1
28x=13+2.1-0.8
28x=14.3
x=14.3/28
x=0.5

9.- 48/5+(2/3)x=1657+345
9.6+0.6x=1657+345
0.6x=1657+345-9.6
0.6x=2082.4
x=2082.4/0.6
x=3470.6

10.- (2)(-5)(-7)(-8)(9)+257896-1247-5x=951753+456
-5040+257896-1247-5x=951753+456
5x=951753+456+5040-257896+1247
5x=700600
x=700600/5
x=140120

martes, 8 de septiembre de 2009

tereiitititasssssssssss dossssssssss porrr unaaaaaaaaa

procedimiento y resultados

1.- 12x -(5/8) -23 = 11
12x= 11 + 23 + (5/8)
12x= 11 + 23 + 0.625
12x= 34.625
x= 34.625 / 12
x= 2.85417

2.- ((6/6)(4/9)) + 23X - (7/5) = (9/2)
(24/54) + 23x - (7/5)= (9/2)
0.44 + 23x - 1.4= 4.5
23x= 4.5 + 1.4 - 0.44
23x= 5.46
x= 5.46/23
x= 0.23739

3.-((18/6)/(24/17))x + 25 -18 = 65
(306/102)x + 25 - 18= 65
3x + 25 - 18= 65
3x= 6 + 18 - 25
3x= 58
x= 58 / 3
x= 19.3333

4.- (-2)(5)(3) + (-3)(-6)(5) +(1/2)x +4 = 19
-30 + 90 + 0.5x + 4= 19
0.5x= 19 - 4 - 90 - 30
0.5x= -105
x= -105 / 0.5
x= -210

55.- ((19/13)(27/6)/(/35/4))+ 22 = 73x
(114/351) / (35/4) + 22= 73x
0.32 / 8.5 + 22= 73x
-19.28= 73x
-19.18 / 73= x
x= -0.26274

6.- 184x -235 -6/5 = 212x -66
184x - 212= 66 + 6/5 + 235
184x - 212= 66 + 1.2 + 235
-28x= 302.2
x= 302.2 / -28
x= 10.79286

7.- (44/16)(2) - 15x +33 = 45x -79 + (12/6)
2.75 (2) - 15x + 33= 45x - 79 + 0.75
15 + 45x= 0.75 - 79 + 33 - 2 / (2.75)
60x= -17.18
x= 17.18 / 60
x= -0.28633

escribir lo que se indica de acuerdo a la ecuacion

8.- La suma de un número y 18
x + 18

9.- Un número multiplicado por 5 y disminuido en 4
x (5) - 4

10.- La cuarta parte de un Número multiplicado por 17
(x/4) (17)

11.- Un tercio de un número
x / 3

12.-Un número entre 7
x / 7

13.- La cuarta parte de un numero añadiendo 9
(x/4) + 9

14.-La diferencia de 36 y un número
36 - x

martes, 1 de septiembre de 2009

tareititittaaassssss

1.-(6/7) (2/13) / (5/2) + 2/7= 142/455
12/182=6/91 / 5/2 = 12/455 + 2/7 = 84+910/3185 = 994/3185 = 142/455 (séptima)

2.-9/7+6/5 – 18/12 -1/5= 11/44
9/7 + 6/5 = 45+42/35=87/86 – 18/12 = 1044- 630/420= 414/420=69/70- 1/5 =345-70/350=275/350=55/70= 11/44 (quinta)

3.-3/9-16/4+25= -1
3/9-16/4=12-144/36=-32/36=16/18=8/9+25/1=8+225/9=+233/9

4.-25-16-48—76+65+82-45+12= -1
9-39-115-50+32-13-1

5.- (2)(-9)(3)(-8)(7)(-6)(5)(4)(-16)(-12)= -11612160
-18-54+432+3024-18144-90720-362880-5806080-11612160

6.-11/3+22/8-3/4= 121/24
11/3+2/8=8+66/24=154/24=77/12-3/4=308-66/48=242/48=121/24 (segunda)

7.-((13/6)) (33/4) / (19/16) + 22 -18= 362/19
429/24/19/16=6864/456+2/1= 6864+10032/456=16896/456
16896/456-18/1=16896-8208/456=8688/456(octava)=1086/57(tercera)=362/19

8.-17-13+62-(33/3)(15/3)/3)= -221/3
92/1-495/27=495-2484/27=-1989/27=-221/3 (tercera)


9.-(17)(1/5)(-4)(-6)(-2/7)(1/6)(45/6)(-2)= 408/7
17/5-68/5+408/5-816/35-816/210=36720/1260+73440/1260=(sexta)=1240/210(sexta)2040/35(quinta)=408/7

10.-15+15-48-65-36+52+89-79+62-69= -94
0-48-113-149-97-8-87-25-94