-21=-3(v+6)

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


Simplifying
-21 = -3(v + 6)

Reorder the terms:
-21 = -3(6 + v)
-21 = (6 * -3 + v * -3)
-21 = (-18 + -3v)

Solving
-21 = -18 + -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 + 3v = -18 + -3v + 3v

Combine like terms: -3v + 3v = 0
-21 + 3v = -18 + 0
-21 + 3v = -18

Add '21' to each side of the equation.
-21 + 21 + 3v = -18 + 21

Combine like terms: -21 + 21 = 0
0 + 3v = -18 + 21
3v = -18 + 21

Combine like terms: -18 + 21 = 3
3v = 3

Divide each side by '3'.
v = 1

Simplifying
v = 1

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