## Algebra: A Combined Approach (4th Edition)

y = $\frac{7}{10}$
5y - 7 + y = -(y + 3y) Distribute and simplify: 6y - 7 = -y - 3y 6y - 7 = -4y Add 4y to both sides: 10y - 7 = 0 Add 7 to both sides: 10y = 7 Divide both sides by 10: y = $\frac{7}{10}$