-8(9+y)=-40

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Solution for -8(9+y)=-40 equation: 


Simplifying
-8(9 + y) = -40
(9 * -8 + y * -8) = -40
(-72 + -8y) = -40

Solving
-72 + -8y = -40

Solving for variable 'y'.

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

Add '72' to each side of the equation.
-72 + 72 + -8y = -40 + 72

Combine like terms: -72 + 72 = 0
0 + -8y = -40 + 72
-8y = -40 + 72

Combine like terms: -40 + 72 = 32
-8y = 32

Divide each side by '-8'.
y = -4

Simplifying
y = -4

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