57-12+5y=85
Subtract 12 from 57.
45+5y=85
Subtract 45 from both sides of the equation.
5y=85-45
Subtract 45 from 85.
5y=40
5y=40
Divide each term in 5y=40 by 5.
5y5=405
Cancel the common factor of 5.
Cancel the common factor.
5y5=405
Divide y by 1.
y=405
y=405
Divide 40 by 5.
y=8
y=8
Solve for y 57-12+5y=85