Apply the distributive property.
Multiply 4 by 3.
Move all terms containing w to the left side of the equation.
Subtract 7w from both sides of the equation.
Subtract 7w from 4w.
Move all terms not containing w to the right side of the equation.
Subtract 12 from both sides of the equation.
Subtract 12 from 9.
Divide each term by -3 and simplify.
Divide each term in -3w=-3 by -3.
Cancel the common factor of -3.
Cancel the common factor.
Divide w by 1.
Divide -3 by -3.
Solve for w 4(w+3)=7w+9