-15+10y=25
Add 15 to both sides of the equation.
10y=25+15
Add 25 and 15.
10y=40
10y=40
Divide each term in 10y=40 by 10.
10y10=4010
Cancel the common factor of 10.
Cancel the common factor.
10y10=4010
Divide y by 1.
y=4010
y=4010
Divide 40 by 10.
y=4
y=4
Solve for y -15+10y=25