6v-21=-3(12+v)

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Solution for 6v-21=-3(12+v) equation:


Simplifying
6v + -21 = -3(12 + v)

Reorder the terms:
-21 + 6v = -3(12 + v)
-21 + 6v = (12 * -3 + v * -3)
-21 + 6v = (-36 + -3v)

Solving
-21 + 6v = -36 + -3v

Solving for variable 'v'.

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

Add '3v' to each side of the equation.
-21 + 6v + 3v = -36 + -3v + 3v

Combine like terms: 6v + 3v = 9v
-21 + 9v = -36 + -3v + 3v

Combine like terms: -3v + 3v = 0
-21 + 9v = -36 + 0
-21 + 9v = -36

Add '21' to each side of the equation.
-21 + 21 + 9v = -36 + 21

Combine like terms: -21 + 21 = 0
0 + 9v = -36 + 21
9v = -36 + 21

Combine like terms: -36 + 21 = -15
9v = -15

Divide each side by '9'.
v = -1.666666667

Simplifying
v = -1.666666667

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