-31=5(v-3)-7v

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Solution for -31=5(v-3)-7v equation:


Simplifying
-31 = 5(v + -3) + -7v

Reorder the terms:
-31 = 5(-3 + v) + -7v
-31 = (-3 * 5 + v * 5) + -7v
-31 = (-15 + 5v) + -7v

Combine like terms: 5v + -7v = -2v
-31 = -15 + -2v

Solving
-31 = -15 + -2v

Solving for variable 'v'.

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

Add '2v' to each side of the equation.
-31 + 2v = -15 + -2v + 2v

Combine like terms: -2v + 2v = 0
-31 + 2v = -15 + 0
-31 + 2v = -15

Add '31' to each side of the equation.
-31 + 31 + 2v = -15 + 31

Combine like terms: -31 + 31 = 0
0 + 2v = -15 + 31
2v = -15 + 31

Combine like terms: -15 + 31 = 16
2v = 16

Divide each side by '2'.
v = 8

Simplifying
v = 8

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