Pre-Algebra Examples

$9 x + 3 x - 10 = 3 (3 + x)$

Step 1

Add $9 x$ and $3 x$ .

$12 x - 10 = 3 (3 + x)$

Step 2

Simplify $3 (3 + x)$ .

Tap for more steps...

Step 2.1

Apply the distributive property.

$12 x - 10 = 3 \cdot 3 + 3 x$

Step 2.2

Multiply $3$ by $3$ .

$12 x - 10 = 9 + 3 x$

Step 3

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

$x = \frac{19}{9}$

Step 4