Question

|2× +6|=20
qual o valor de x ??​

Answer 1

|2x+6|=20 ↓

{2x+6 = +20 => 2x=14 => x'=7 ✓

{2x+6 = -20 => 2x=-26 => x"= -13 ✓

Answer 2

Resposta:

7

Explicação passo-a-passo:

2x + 6 = 20

2x = 20 - 6

2x = 14

x = 14/2

x = 7