Question

Resolva
2 (x+3)=4(x+5)

Answer 1

2x + 6 = 4x + 20
-2x = 14
x = 14/2 = -7

Answer 2

$2(x + 3) = 4(x + 5) \\ \\ 2x + 6 = 4x + 20 \\ 4x - 2x = 6 - 20 \\ 2x = - 14 \\ x = \frac{ - 14}{2} = - 7$