291=78-v

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Solution for 291=78-v equation:


Simplifying
291 = 78 + -1v

Solving
291 = 78 + -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.
291 + v = 78 + -1v + v

Combine like terms: -1v + v = 0
291 + v = 78 + 0
291 + v = 78

Add '-291' to each side of the equation.
291 + -291 + v = 78 + -291

Combine like terms: 291 + -291 = 0
0 + v = 78 + -291
v = 78 + -291

Combine like terms: 78 + -291 = -213
v = -213

Simplifying
v = -213

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