Question

Resolução 2x+10+x-30+2x =180

Answer 1

2x + 10 + x - 30 + 2x = 180
2x + x + 2x = 180 - 10 + 30
5x = 170 + 30
5x = 200
x = 200/5
x = 40

Answer 2

2x + 10 + x -30 + 2x =180
2x +x +2x + 10 - 30 = 180
5x - 20 = 180
5x = 180 + 20
5x = 200
x = 200 /5
x = 40

Resposta : x= 40