3 tarea

1.-70 (3x)

2.-x/(15)(y)

3.-x/16

4.-22-x y

5.-x+y 34

6.-7x-y

7.-3/x

8.-24x+11x=64 (23/12)(15/7)
35x=64+345/84
35x=64+4.10
35x=72.1
x=72.1/35
x=2.06

9.-924/10-45=6x
92.4-45=6x
47.4=6x
47.4/6=x
6=x

10.-(495/31)/(364/27)=11284/13365x
11289/13365x=25+8-3
.84x=25+8-3
.84x=30
x=30/.84
x=35.7

11.-42x=591+(256/4)-758-16/3=16-2274/3=2258/3=752.6
42x=591+(64)-752.6
42x=123-752.6
42x=-629.6
x=-629.6/42
x=--14.9