7v+9-8v=-31

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Solution for 7v+9-8v=-31 equation:


Simplifying
7v + 9 + -8v = -31

Reorder the terms:
9 + 7v + -8v = -31

Combine like terms: 7v + -8v = -1v
9 + -1v = -31

Solving
9 + -1v = -31

Solving for variable 'v'.

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

Add '-9' to each side of the equation.
9 + -9 + -1v = -31 + -9

Combine like terms: 9 + -9 = 0
0 + -1v = -31 + -9
-1v = -31 + -9

Combine like terms: -31 + -9 = -40
-1v = -40

Divide each side by '-1'.
v = 40

Simplifying
v = 40

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