3v-9=7-v

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Solution for 3v-9=7-v equation:


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

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

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

Solving for variable 'v'.

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

Add 'v' to each side of the equation.
-9 + 3v + v = 7 + -1v + v

Combine like terms: 3v + v = 4v
-9 + 4v = 7 + -1v + v

Combine like terms: -1v + v = 0
-9 + 4v = 7 + 0
-9 + 4v = 7

Add '9' to each side of the equation.
-9 + 9 + 4v = 7 + 9

Combine like terms: -9 + 9 = 0
0 + 4v = 7 + 9
4v = 7 + 9

Combine like terms: 7 + 9 = 16
4v = 16

Divide each side by '4'.
v = 4

Simplifying
v = 4

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