3v+6=21

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Solution for 3v+6=21 equation: 


Simplifying
3v + 6 = 21

Reorder the terms:
6 + 3v = 21

Solving
6 + 3v = 21

Solving for variable 'v'.

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

Add '-6' to each side of the equation.
6 + -6 + 3v = 21 + -6

Combine like terms: 6 + -6 = 0
0 + 3v = 21 + -6
3v = 21 + -6

Combine like terms: 21 + -6 = 15
3v = 15

Divide each side by '3'.
v = 5

Simplifying
v = 5

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