4=-9+v

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Solution for 4=-9+v equation:


Simplifying
4 = -9 + v

Solving
4 = -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.
4 + -1v = -9 + v + -1v

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

Add '-4' to each side of the equation.
4 + -4 + -1v = -9 + -4

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

Combine like terms: -9 + -4 = -13
-1v = -13

Divide each side by '-1'.
v = 13

Simplifying
v = 13

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