9v-81-3v=45+20v

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Solution for 9v-81-3v=45+20v equation:


Simplifying
9v + -81 + -3v = 45 + 20v

Reorder the terms:
-81 + 9v + -3v = 45 + 20v

Combine like terms: 9v + -3v = 6v
-81 + 6v = 45 + 20v

Solving
-81 + 6v = 45 + 20v

Solving for variable 'v'.

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

Add '-20v' to each side of the equation.
-81 + 6v + -20v = 45 + 20v + -20v

Combine like terms: 6v + -20v = -14v
-81 + -14v = 45 + 20v + -20v

Combine like terms: 20v + -20v = 0
-81 + -14v = 45 + 0
-81 + -14v = 45

Add '81' to each side of the equation.
-81 + 81 + -14v = 45 + 81

Combine like terms: -81 + 81 = 0
0 + -14v = 45 + 81
-14v = 45 + 81

Combine like terms: 45 + 81 = 126
-14v = 126

Divide each side by '-14'.
v = -9

Simplifying
v = -9

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