Answer:
y = 5/3 = 1.667
Step-by-step explanation:
Simplifying
5y + 4 + -2y = 9
Reorder
4 + 5y + -2y = 9
Solving
4 + 3y = 9
Solving for y:
Add -4 to each side of the equation.
4 + -4 + 3y = 9 + -4
Combine like terms.
4 + -4 = 0
0 + 3y = 9 + -4
3y = 9 + -4
Combine like terms.
9 + -4 = 5
3y = 5
Divide each side by 3
y = 1.666666667