Question

resolva a equacao 4x+2(13-x)=46

Answer 1

4x + 2(13-x) = 46
4x + 26 - 2x = 46
2x = 46 - 26
2x = 20
x = 20/2
x = 10

Answer 2

$4x + 2(13 - x) = 46 \\ 4x + 26 - 2x = 46 \\ 4x - 2x = 46 - 26 \\ 2x = 20 \\ x = \frac{20}{2} \\ x = 10$
Espero ter ajudado ^^