Question

solve the equation for y. leave your answer as an exact fraction if necessary.
$4y - 51 = -8y + 9$

Explanation:

Step1: Add $8y$ to both sides

$4y + 8y - 51 = -8y + 8y + 9$
$12y - 51 = 9$

Step2: Add 51 to both sides

$12y - 51 + 51 = 9 + 51$
$12y = 60$

Step3: Divide by 12

$\frac{12y}{12} = \frac{60}{12}$

Answer:

$y = 5$