Question

cuanto es x+2x-15=3

Answer 1

$x + 2x - 15 = 3$

$1x - 2x = 3 + 15$

$1x = 18$

$x = \frac{18}{1}$

COMPROBACION:

$\frac{18}{1} + 2 \frac{18}{1} - 15 = 3$