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