4x+15=27

Subtract 15 from both sides of the equation.

4x=27-15

Subtract 15 from 27.

4x=12

4x=12

Divide each term in 4x=12 by 4.

4×4=124

Cancel the common factor of 4.

Cancel the common factor.

4×4=124

Divide x by 1.

x=124

x=124

Divide 12 by 4.

x=3

x=3

Solve for x 4x+15=27