3x+9=27

Subtract 9 from both sides of the equation.

3x=27-9

Subtract 9 from 27.

3x=18

3x=18

Divide each term in 3x=18 by 3.

3×3=183

Cancel the common factor of 3.

Cancel the common factor.

3×3=183

Divide x by 1.

x=183

x=183

Divide 18 by 3.

x=6

x=6

Solve for x 3x+9=27