Question

2 x -10 + 30 + 20 = 180​

Answer 1

Resposta:

2x - 10 + 30 + 20 = 180

2x + 40 = 180

2x = 180 - 40

2x = 140

x = 140/2

x = 70

Answer 2

Explicação passo-a-passo:

2x — 10 + 30 + 20 = 180

2x — 10 + 50 = 180

2x + 40 = 180

2x = 180 — 40

2x = 140

x = 140/2

x = 70