7+9v=8v-2

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Solution for 7+9v=8v-2 equation:


Simplifying
7 + 9v = 8v + -2

Reorder the terms:
7 + 9v = -2 + 8v

Solving
7 + 9v = -2 + 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.
7 + 9v + -8v = -2 + 8v + -8v

Combine like terms: 9v + -8v = 1v
7 + 1v = -2 + 8v + -8v

Combine like terms: 8v + -8v = 0
7 + 1v = -2 + 0
7 + 1v = -2

Add '-7' to each side of the equation.
7 + -7 + 1v = -2 + -7

Combine like terms: 7 + -7 = 0
0 + 1v = -2 + -7
1v = -2 + -7

Combine like terms: -2 + -7 = -9
1v = -9

Divide each side by '1'.
v = -9

Simplifying
v = -9

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