Subtract 9y from both sides of the equation.
Divide each term by 5 and simplify.
Divide each term in 5x=45-9y by 5.
Cancel the common factor of 5.
Cancel the common factor.
Divide x by 1.
Simplify each term.
Divide 45 by 5.
Move the negative in front of the fraction.
Solve for x 5x+9y=45