Question

8x+4=4x+8

a)x=5
b)x=3
c)x=1
d)x=7​

Answer 1

$8x + 4 = 4x + 8 \\ 8x - 4x = 8 - 4 \\ 4x = 4 \\ \\ x = \frac{4}{4} \\ \\ x = 1$

Resposta: Letra C

Answer 2

8x+4 = 4x+8

8x-4x = 8-4

4x = 4

x= $\frac{4}{4}$

resposta: x = 1