28=4h+3(h+7)

Rewrite the equation as 4h+3(h+7)=28.

4h+3(h+7)=28

Simplify each term.

Apply the distributive property.

4h+3h+3⋅7=28

Multiply 3 by 7.

4h+3h+21=28

4h+3h+21=28

Add 4h and 3h.

7h+21=28

7h+21=28

Subtract 21 from both sides of the equation.

7h=28-21

Subtract 21 from 28.

7h=7

7h=7

Divide each term in 7h=7 by 7.

7h7=77

Cancel the common factor of 7.

Cancel the common factor.

7h7=77

Divide h by 1.

h=77

h=77

Divide 7 by 7.

h=1

h=1

Solve for h 28=4h+3(h+7)