Question

resolva as seguintes equações 4x + 7 = 15​

Answer 1

Resposta:

$4x + 7 = 15\\4x= 15-7\\4x = 8\\\\x = \dfrac{8}{4}\\\\x = 2$

Answer 2

$4x + 7 = 15 \\ 4x = 15 - 7 \\ 4x = 8 \\ \\ x = \frac{8}{4} = 2$