8-2y=40

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Solution for 8-2y=40 equation: 


Simplifying
8 + -2y = 40

Solving
8 + -2y = 40

Solving for variable 'y'.

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

Add '-8' to each side of the equation.
8 + -8 + -2y = 40 + -8

Combine like terms: 8 + -8 = 0
0 + -2y = 40 + -8
-2y = 40 + -8

Combine like terms: 40 + -8 = 32
-2y = 32

Divide each side by '-2'.
y = -16

Simplifying
y = -16

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