4v-9v=-31

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Solution for 4v-9v=-31 equation: 


Simplifying
4v + -9v = -31

Combine like terms: 4v + -9v = -5v
-5v = -31

Solving
-5v = -31

Solving for variable 'v'.

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

Divide each side by '-5'.
v = 6.2

Simplifying
v = 6.2

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