158=-v+81

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Solution for 158=-v+81 equation:


Simplifying
158 = -1v + 81

Reorder the terms:
158 = 81 + -1v

Solving
158 = 81 + -1v

Solving for variable 'v'.

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

Add 'v' to each side of the equation.
158 + v = 81 + -1v + v

Combine like terms: -1v + v = 0
158 + v = 81 + 0
158 + v = 81

Add '-158' to each side of the equation.
158 + -158 + v = 81 + -158

Combine like terms: 158 + -158 = 0
0 + v = 81 + -158
v = 81 + -158

Combine like terms: 81 + -158 = -77
v = -77

Simplifying
v = -77

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