Pre-Algebra Examples

$- 7 x + 8 + 8 x = - 12 + 7$

Step 1

Add $- 7 x$ and $8 x$ .

$x + 8 = - 12 + 7$

Step 2

Add $- 12$ and $7$ .

$x + 8 = - 5$

Step 3

Graph each side of the equation. The solution is the x-value of the point of intersection.

$x = - 13$

Step 4