7=9+v

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Solution for 7=9+v equation:


Simplifying
7 = 9 + v

Solving
7 = 9 + v

Solving for variable 'v'.

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

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

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

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

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

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

Divide each side by '-1'.
v = -2

Simplifying
v = -2

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