CUARTA TAREA

OPERACION 1

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

OPERACION 2

2.- (6/7)(3/9) + 3X = 4 - (17/5)
(18/63)+3x=4-3.4
0.2+3x=.6
3x=.6-0.2
3x=.4
x=.4/3
x=.13

OPERACION 3

3.- (23/3) + (16/9)X = 23X -12
7.6+1.7 x=23x-12
1.7x+23x=-7.6-12
24.7x=-19.6
x=19.6/24.7
x=.79

OPERACION 4

4.- 12X - 18 + (23/7) = (145/2) -4X
12x-18+3.2=72.5-4x
16x=72.5+18-3.2
16x=87.3
x=87.3/16
x=5.4

OPERACION 5

5.- ((14/2)(15/9) / (125/25)) = 17/3 + (13/4)X
((7)(1.6)/(5))=5.6+3.2x
(11.2)/(5)=8.8x
2.24=8.8x
2.24/8.8=x
.25=x
x=.25

OPERACION 6

6.- 22 -178 + 33/5 -16X = 147 + (248/16)X
22-178+6.6-16x=147+15.5x
22-178+6.6-147=16x+15.5x
-296.4=31.5x
31.5/-296.4=x
-.10=x
x=-.10

OPERACION 7

7.- (2)(-3)(5) + 25X = (147/15)X - 248/43 - 223/105
-30+25x=9.8x-5.7-2.1
25x-9.8x=30-5.7-2.1
15.2x=22.2
x=22.2/15.2
x=1.4

OPERACION 8

8.- (45/7)/(198/26) + 28X = 13 + (14/67)(222/111)
(6.4/7.6)+28x=13+(.2)(2)
.8+28x=13+.4
.8+28x=13.4
28x=13.4-.8
28x=12.6
x=12.6/28
x=.45

OPERACION 9

9.- 48/5 + (2/3)X = 1657 + 345
9.6+.6x=2002
6x=2002-9.6
6x=1992.4
x=1992.4/6
x=332.06

OPERACION 10

10.- (2)(-5)(-7)(-8)(9) + 257896 -1247 -5X = 951753 + 456
-5040+257896-1247-5x=952209
251609-5x=952209
5x=952209-251609
5x=700600
x=700600/5
x=140120