Question

4x+8=28
Pfv e pra hj isso

Answer 1

Resposta:

28=4x+8

28-8=4x

20=4x

20÷4=x

x=5

Answer 2

Resposta:

$4x + 8 = 28 \\ \\ 4x = 28 - 8 \\ \\ 4x = 20 \\ \\ x = \frac{20}{4} \\ \\ x = 5$