Solve for y 4-2y-y=12

$4 - 2 y - y = 12$

Subtract $y$ from $- 2 y$ .

$4 - 3 y = 12$

Move all terms not containing $y$ to the right side of the equation.

Subtract $4$ from both sides of the equation.

$- 3 y = 12 - 4$

Subtract $4$ from $12$ .

$- 3 y = 8$

Divide each term in $- 3 y = 8$ by $- 3$ and simplify.

Divide each term in $- 3 y = 8$ by $- 3$ .

$\frac{- 3 y}{- 3} = \frac{8}{- 3}$

Simplify the left side.

Cancel the common factor of $- 3$ .

Cancel the common factor.

$\frac{- 3 y}{- 3} = \frac{8}{- 3}$

Divide $y$ by $1$ .

$y = \frac{8}{- 3}$

Simplify the right side.

Move the negative in front of the fraction.

$y = - \frac{8}{3}$

The result can be shown in multiple forms.

Exact Form:

$y = - \frac{8}{3}$

Decimal Form:

$y = - 2.\overline{6}$

Mixed Number Form:

$y = - 2 \frac{2}{3}$