solve for y.\n-3 - 4y = 9 - y\ny = ?

Explanation:

Step1: Add 4y to both sides

$-3 - 4y+4y=9 - y+4y$ $-3 = 9 + 3y$

Step2: Subtract 9 from both sides

$-3-9=9 + 3y-9$ $-12 = 3y$

Step3: Divide both sides by 3

$\frac{-12}{3}=\frac{3y}{3}$ $y=-4$

Answer:

$y = - 4$