Rewrite the equation as 4h+3(h+7)=28.
Simplify each term.
Apply the distributive property.
Multiply 3 by 7.
Add 4h and 3h.
Move all terms not containing h to the right side of the equation.
Subtract 21 from both sides of the equation.
Subtract 21 from 28.
Divide each term by 7 and simplify.
Divide each term in 7h=7 by 7.
Cancel the common factor of 7.
Cancel the common factor.
Divide h by 1.
Divide 7 by 7.
Solve for h 28=4h+3(h+7)