-9+3v=21

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Solution for -9+3v=21 equation:


Simplifying
-9 + 3v = 21

Solving
-9 + 3v = 21

Solving for variable 'v'.

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

Add '9' to each side of the equation.
-9 + 9 + 3v = 21 + 9

Combine like terms: -9 + 9 = 0
0 + 3v = 21 + 9
3v = 21 + 9

Combine like terms: 21 + 9 = 30
3v = 30

Divide each side by '3'.
v = 10

Simplifying
v = 10

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