3v-12=21

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Solution for 3v-12=21 equation: 


Simplifying
3v + -12 = 21

Reorder the terms:
-12 + 3v = 21

Solving
-12 + 3v = 21

Solving for variable 'v'.

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

Add '12' to each side of the equation.
-12 + 12 + 3v = 21 + 12

Combine like terms: -12 + 12 = 0
0 + 3v = 21 + 12
3v = 21 + 12

Combine like terms: 21 + 12 = 33
3v = 33

Divide each side by '3'.
v = 11

Simplifying
v = 11

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