7v-9=8v

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Solution for 7v-9=8v equation:


Simplifying
7v + -9 = 8v

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

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

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

Combine like terms: 8v + -8v = 0
-9 + -1v = 0

Add '9' to each side of the equation.
-9 + 9 + -1v = 0 + 9

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

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

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

Simplifying
v = -9

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