Question

Resolva as equações: 2x-4 =12​

Answer 1

$2x - 4 = 12 \\ 2x = 12 + 4 \\ 2 x= 16 \\ x = \frac{16}{2} \\ \boxed{\boxed{\boxed{x = 8}}}$

att. yrz

Answer 2

Vamos là.

2x - 4 = 12

passe o 4

2x = 12 + 4 = 16

x = 16/2 = 8