Question

calcule o valor de X sabendo q os ângulos são suplementares ​

Answer 1

Resposta:

1. 5x-30+2x= 180

7x=180+30

7x= 210

x=210/7

x=30

2. x+20+3x-40=180

4x=180+40-20

4x=180+20

4x=200

x=200/4

x=50