-31=2+7v+4v

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Solution for -31=2+7v+4v equation:


Simplifying
-31 = 2 + 7v + 4v

Combine like terms: 7v + 4v = 11v
-31 = 2 + 11v

Solving
-31 = 2 + 11v

Solving for variable 'v'.

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

Add '-11v' to each side of the equation.
-31 + -11v = 2 + 11v + -11v

Combine like terms: 11v + -11v = 0
-31 + -11v = 2 + 0
-31 + -11v = 2

Add '31' to each side of the equation.
-31 + 31 + -11v = 2 + 31

Combine like terms: -31 + 31 = 0
0 + -11v = 2 + 31
-11v = 2 + 31

Combine like terms: 2 + 31 = 33
-11v = 33

Divide each side by '-11'.
v = -3

Simplifying
v = -3

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