87-116=-4(-4y)-9(2y)+y

Solution for 87-116=-4(-4y)-9(2y)+y equation:

Simplifying
87 + -116 = -4(-4y) + -9(2y) + y

Combine like terms: 87 + -116 = -29
-29 = -4(-4y) + -9(2y) + y

Remove parenthesis around (-4y)
-29 = -4 * -4y + -9(2y) + y

Multiply -4 * -4
-29 = 16y + -9(2y) + y

Remove parenthesis around (2y)
-29 = 16y + -9 * 2y + y

Multiply -9 * 2
-29 = 16y + -18y + y

Combine like terms: 16y + -18y = -2y
-29 = -2y + y

Combine like terms: -2y + y = -1y
-29 = -1y

Solving
-29 = -1y

Solving for variable 'y'.

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

Add 'y' to each side of the equation.
-29 + y = -1y + y

Combine like terms: -1y + y = 0
-29 + y = 0

Add '29' to each side of the equation.
-29 + 29 + y = 0 + 29

Combine like terms: -29 + 29 = 0
0 + y = 0 + 29
y = 0 + 29

Combine like terms: 0 + 29 = 29
y = 29

Simplifying
y = 29