Question

5+4x=15+2x

Alguém sabe

Answer 1

$5 + 4x = 15 + 2x$

$5 + 4x - 2x = 15$

$5 + 2x = 15$

$2x = 15 - 5$

$2x = 10$

$x = \frac{10}{2}$

$x = 5$