3v-9=7+21v-1v

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Solution for 3v-9=7+21v-1v equation:


Simplifying
3v + -9 = 7 + 21v + -1v

Reorder the terms:
-9 + 3v = 7 + 21v + -1v

Combine like terms: 21v + -1v = 20v
-9 + 3v = 7 + 20v

Solving
-9 + 3v = 7 + 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.
-9 + 3v + -20v = 7 + 20v + -20v

Combine like terms: 3v + -20v = -17v
-9 + -17v = 7 + 20v + -20v

Combine like terms: 20v + -20v = 0
-9 + -17v = 7 + 0
-9 + -17v = 7

Add '9' to each side of the equation.
-9 + 9 + -17v = 7 + 9

Combine like terms: -9 + 9 = 0
0 + -17v = 7 + 9
-17v = 7 + 9

Combine like terms: 7 + 9 = 16
-17v = 16

Divide each side by '-17'.
v = -0.9411764706

Simplifying
v = -0.9411764706

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