3-9=7+2-v

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


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

Combine like terms: 3 + -9 = -6
-6 = 7 + 2 + -1v

Combine like terms: 7 + 2 = 9
-6 = 9 + -1v

Solving
-6 = 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.
-6 + v = 9 + -1v + v

Combine like terms: -1v + v = 0
-6 + v = 9 + 0
-6 + v = 9

Add '6' to each side of the equation.
-6 + 6 + v = 9 + 6

Combine like terms: -6 + 6 = 0
0 + v = 9 + 6
v = 9 + 6

Combine like terms: 9 + 6 = 15
v = 15

Simplifying
v = 15

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