31=3v-8

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Solution for 31=3v-8 equation: 


Simplifying
31 = 3v + -8

Reorder the terms:
31 = -8 + 3v

Solving
31 = -8 + 3v

Solving for variable 'v'.

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

Add '-3v' to each side of the equation.
31 + -3v = -8 + 3v + -3v

Combine like terms: 3v + -3v = 0
31 + -3v = -8 + 0
31 + -3v = -8

Add '-31' to each side of the equation.
31 + -31 + -3v = -8 + -31

Combine like terms: 31 + -31 = 0
0 + -3v = -8 + -31
-3v = -8 + -31

Combine like terms: -8 + -31 = -39
-3v = -39

Divide each side by '-3'.
v = 13

Simplifying
v = 13

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