-3v-12=-9(v-4)

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Solution for -3v-12=-9(v-4) equation:


Simplifying
-3v + -12 = -9(v + -4)

Reorder the terms:
-12 + -3v = -9(v + -4)

Reorder the terms:
-12 + -3v = -9(-4 + v)
-12 + -3v = (-4 * -9 + v * -9)
-12 + -3v = (36 + -9v)

Solving
-12 + -3v = 36 + -9v

Solving for variable 'v'.

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

Add '9v' to each side of the equation.
-12 + -3v + 9v = 36 + -9v + 9v

Combine like terms: -3v + 9v = 6v
-12 + 6v = 36 + -9v + 9v

Combine like terms: -9v + 9v = 0
-12 + 6v = 36 + 0
-12 + 6v = 36

Add '12' to each side of the equation.
-12 + 12 + 6v = 36 + 12

Combine like terms: -12 + 12 = 0
0 + 6v = 36 + 12
6v = 36 + 12

Combine like terms: 36 + 12 = 48
6v = 48

Divide each side by '6'.
v = 8

Simplifying
v = 8

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