How do you solve 4 + 3x + 8x = -15 + 7 + 7x + x?

Dec 27, 2015

color(blue)(x=-4

Explanation:

$4 + 3 x + 8 x = - 15 + 7 + 7 x + x$

$4 + 11 x = - 15 + 7 + 8 x$

$4 + 11 x = - 8 + 8 x$

$4 + 8 = 8 x - 11 x$

$12 = - 3 x$

$\frac{12}{- 3} = x$

color(blue)(x=-4