3v-9=7+2-v

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Solution for 3v-9=7+2-v equation:


Simplifying
3v + -9 = 7 + 2 + -1v

Reorder the terms:
-9 + 3v = 7 + 2 + -1v

Combine like terms: 7 + 2 = 9
-9 + 3v = 9 + -1v

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

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

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

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

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

Combine like terms: 9 + 9 = 18
4v = 18

Divide each side by '4'.
v = 4.5

Simplifying
v = 4.5

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