8=9v-7v

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Solution for 8=9v-7v equation:


Simplifying
8 = 9v + -7v

Combine like terms: 9v + -7v = 2v
8 = 2v

Solving
8 = 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.
8 + -2v = 2v + -2v

Combine like terms: 2v + -2v = 0
8 + -2v = 0

Add '-8' to each side of the equation.
8 + -8 + -2v = 0 + -8

Combine like terms: 8 + -8 = 0
0 + -2v = 0 + -8
-2v = 0 + -8

Combine like terms: 0 + -8 = -8
-2v = -8

Divide each side by '-2'.
v = 4

Simplifying
v = 4

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