3(4v+2)=21+7v

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Solution for 3(4v+2)=21+7v equation:


Simplifying
3(4v + 2) = 21 + 7v

Reorder the terms:
3(2 + 4v) = 21 + 7v
(2 * 3 + 4v * 3) = 21 + 7v
(6 + 12v) = 21 + 7v

Solving
6 + 12v = 21 + 7v

Solving for variable 'v'.

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

Add '-7v' to each side of the equation.
6 + 12v + -7v = 21 + 7v + -7v

Combine like terms: 12v + -7v = 5v
6 + 5v = 21 + 7v + -7v

Combine like terms: 7v + -7v = 0
6 + 5v = 21 + 0
6 + 5v = 21

Add '-6' to each side of the equation.
6 + -6 + 5v = 21 + -6

Combine like terms: 6 + -6 = 0
0 + 5v = 21 + -6
5v = 21 + -6

Combine like terms: 21 + -6 = 15
5v = 15

Divide each side by '5'.
v = 3

Simplifying
v = 3

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