5y-10=-25 Move constant to the right by adding its opposite to both sides 5y-10+10=-25+10 Eliminate the opposites 5y=-25+10
-25+10 Keep the sign of the number with the lager absolute value and subtract the smaller absolute value from the larger -(25-10) Subtract the nubers -15 5y=-15 Divide both sides of the equation by 5 5y/5=-15/5 any expression divided by itself equals 1 y=-15/5 calculate the quatient y=-3