3x+y=23

Subtract y from both sides of the equation.

3x=23-y

Divide each term in 3x=23-y by 3.

3×3=233+-y3

Cancel the common factor of 3.

Cancel the common factor.

3×3=233+-y3

Divide x by 1.

x=233+-y3

x=233+-y3

Move the negative in front of the fraction.

x=233-y3

x=233-y3

Solve for x 3x+y=23