-7v-31=9(v-7)

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Solution for -7v-31=9(v-7) equation:


Simplifying
-7v + -31 = 9(v + -7)

Reorder the terms:
-31 + -7v = 9(v + -7)

Reorder the terms:
-31 + -7v = 9(-7 + v)
-31 + -7v = (-7 * 9 + v * 9)
-31 + -7v = (-63 + 9v)

Solving
-31 + -7v = -63 + 9v

Solving for variable 'v'.

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

Add '-9v' to each side of the equation.
-31 + -7v + -9v = -63 + 9v + -9v

Combine like terms: -7v + -9v = -16v
-31 + -16v = -63 + 9v + -9v

Combine like terms: 9v + -9v = 0
-31 + -16v = -63 + 0
-31 + -16v = -63

Add '31' to each side of the equation.
-31 + 31 + -16v = -63 + 31

Combine like terms: -31 + 31 = 0
0 + -16v = -63 + 31
-16v = -63 + 31

Combine like terms: -63 + 31 = -32
-16v = -32

Divide each side by '-16'.
v = 2

Simplifying
v = 2

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