Chapter 3 - Section 3.3 - Solving Linear Equations in One Variable - Exercise Set - Page 189: 37

The solution is 9

8y-13y=-20-25 Simplify -5y =-45 Divide both sides by -5 $\frac{-5y}{-5}$ =$\frac{-45}{-5}$ y=9 The solution is 9 Check 8y-13y=-20-25 8$\times$9 -13$\times$9=-20-25 = -45 72 -117 =-45 -45=45