31-2v=-7(v-8)

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Solution for 31-2v=-7(v-8) equation:


Simplifying
31 + -2v = -7(v + -8)

Reorder the terms:
31 + -2v = -7(-8 + v)
31 + -2v = (-8 * -7 + v * -7)
31 + -2v = (56 + -7v)

Solving
31 + -2v = 56 + -7v

Solving for variable 'v'.

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

Add '7v' to each side of the equation.
31 + -2v + 7v = 56 + -7v + 7v

Combine like terms: -2v + 7v = 5v
31 + 5v = 56 + -7v + 7v

Combine like terms: -7v + 7v = 0
31 + 5v = 56 + 0
31 + 5v = 56

Add '-31' to each side of the equation.
31 + -31 + 5v = 56 + -31

Combine like terms: 31 + -31 = 0
0 + 5v = 56 + -31
5v = 56 + -31

Combine like terms: 56 + -31 = 25
5v = 25

Divide each side by '5'.
v = 5

Simplifying
v = 5

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