Solve for x 4x=3(x+4)

$4 x = 3 (x + 4)$

Simplify $3 (x + 4)$ .

Apply the distributive property.

$4 x = 3 x + 3 \cdot 4$

Multiply $3$ by $4$ .

$4 x = 3 x + 12$

Move all terms containing $x$ to the left side of the equation.

Subtract $3 x$ from both sides of the equation.

$4 x - 3 x = 12$

Subtract $3 x$ from $4 x$ .

$x = 12$