Question

me ajedem pfv preciso para hj​

Answer 1

Resposta:

A- 3x + 2x = 90

5x = 90 X = 90/5 X = 18

B- (X-35)+(3x+15)=180

4x-20=180

4x=180+20

4x=200 x=200/4 X = 50

C- (5x+30)+(x)=180

6x=180-30

6x=150 x=150/6 X = 25