Question

1x+2x-20+x+60
$1x + 2x - 20 + x + 60$

Answer 1

Olá,

→ 1x + 2x - 20 + x + 60 = 0

→ 4x = -60 + 20

→ 4x = -40

→ x = -40/4

→ x = -10

Espero ter ajudado!!!