Simplify each term.
Apply the distributive property.
Multiply -4 by 1.
Add -4z and 7z.
Move all terms not containing z to the right side of the equation.
Add 4 to both sides of the equation.
Add 8 and 4.
Divide each term by 3 and simplify.
Divide each term in 3z=12 by 3.
Cancel the common factor of 3.
Cancel the common factor.
Divide z by 1.
Divide 12 by 3.
Solve for z -4(z+1)+7z=8