Question

x-10+2x+x+30=180
preciso de ajuda​

Answer 1

Resposta:

$\times + 2x + x = 180 - 30 + 10$

$4x = 160$

$\times = 160 \div 4$

$\times = 40$

Answer 2

x - 10 + 2x + x + 30 = 180

4x - 10 + 30 = 180

4x + 20 = 180

4x = 180 - 20

4x = 160

x = 160/4

x = 40