Question

What is the solution set of the given equation?

4y - 6y + 9y = -2

{-2/11}
{-2/7}
{2/7}
{2/11}

Answer 1

4y - 6y + 9y = -2
-2y + 9y = -2
7y = -2
y = -2/7

Answer 2

-2/7 is the solution B/C 4y-6y+9y = 7y
7y = -2
Divide both sides by 7
y = -2/7