-9=7-8v

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Solution for -9=7-8v equation:


Simplifying
-9 = 7 + -8v

Solving
-9 = 7 + -8v

Solving for variable 'v'.

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

Add '8v' to each side of the equation.
-9 + 8v = 7 + -8v + 8v

Combine like terms: -8v + 8v = 0
-9 + 8v = 7 + 0
-9 + 8v = 7

Add '9' to each side of the equation.
-9 + 9 + 8v = 7 + 9

Combine like terms: -9 + 9 = 0
0 + 8v = 7 + 9
8v = 7 + 9

Combine like terms: 7 + 9 = 16
8v = 16

Divide each side by '8'.
v = 2

Simplifying
v = 2

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