-12(4+5+y)=

Solution for -12(4+5+y)= equation:

Simplifying
-12(4 + 5 + y) = 0

Combine like terms: 4 + 5 = 9
-12(9 + y) = 0
(9 * -12 + y * -12) = 0
(-108 + -12y) = 0

Solving
-108 + -12y = 0

Solving for variable 'y'.

Move all terms containing y to the left, all other terms to the right.

Add '108' to each side of the equation.
-108 + 108 + -12y = 0 + 108

Combine like terms: -108 + 108 = 0
0 + -12y = 0 + 108
-12y = 0 + 108

Combine like terms: 0 + 108 = 108
-12y = 108

Divide each side by '-12'.
y = -9

Simplifying
y = -9