Solve for x 3x-12=24-(-12)

$3 x - 12 = 24 - (- 12)$

Simplify $24 - (- 12)$ .

Multiply $- 1$ by $- 12$ .

$3 x - 12 = 24 + 12$

Add $24$ and $12$ .

$3 x - 12 = 36$

Move all terms not containing $x$ to the right side of the equation.

Add $12$ to both sides of the equation.

$3 x = 36 + 12$

Add $36$ and $12$ .

$3 x = 48$

Divide each term in $3 x = 48$ by $3$ and simplify.

Divide each term in $3 x = 48$ by $3$ .

$\frac{3 x}{3} = \frac{48}{3}$

Simplify the left side.

Cancel the common factor of $3$ .

Cancel the common factor.

$\frac{3 x}{3} = \frac{48}{3}$

Divide $x$ by $1$ .

$x = \frac{48}{3}$

Simplify the right side.

Divide $48$ by $3$ .

$x = 16$