3x+5y=12

Subtract 5y from both sides of the equation.

3x=12-5y

Divide each term in 3x=12-5y by 3.

3×3=123+-5y3

Cancel the common factor of 3.

Cancel the common factor.

3×3=123+-5y3

Divide x by 1.

x=123+-5y3

x=123+-5y3

Simplify each term.

Divide 12 by 3.

x=4+-5y3

Move the negative in front of the fraction.

x=4-5y3

x=4-5y3

x=4-5y3

Solve for x 3x+5y=12