5=2y-81

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Solution for 5=2y-81 equation: 


Simplifying
5 = 2y + -81

Reorder the terms:
5 = -81 + 2y

Solving
5 = -81 + 2y

Solving for variable 'y'.

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

Add '-2y' to each side of the equation.
5 + -2y = -81 + 2y + -2y

Combine like terms: 2y + -2y = 0
5 + -2y = -81 + 0
5 + -2y = -81

Add '-5' to each side of the equation.
5 + -5 + -2y = -81 + -5

Combine like terms: 5 + -5 = 0
0 + -2y = -81 + -5
-2y = -81 + -5

Combine like terms: -81 + -5 = -86
-2y = -86

Divide each side by '-2'.
y = 43

Simplifying
y = 43

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