Pre-Algebra Examples

$3 a - 2 a = - 8 - 15$

Step 1

Subtract $2 a$ from $3 a$ .

$a = - 8 - 15$

Step 2

Subtract $15$ from $- 8$ .

$a = - 23$

Step 3

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

$a \approx - 23$

Step 4