-2(v-7)=-9v-21

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Solution for -2(v-7)=-9v-21 equation:


Simplifying
-2(v + -7) = -9v + -21

Reorder the terms:
-2(-7 + v) = -9v + -21
(-7 * -2 + v * -2) = -9v + -21
(14 + -2v) = -9v + -21

Reorder the terms:
14 + -2v = -21 + -9v

Solving
14 + -2v = -21 + -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.
14 + -2v + 9v = -21 + -9v + 9v

Combine like terms: -2v + 9v = 7v
14 + 7v = -21 + -9v + 9v

Combine like terms: -9v + 9v = 0
14 + 7v = -21 + 0
14 + 7v = -21

Add '-14' to each side of the equation.
14 + -14 + 7v = -21 + -14

Combine like terms: 14 + -14 = 0
0 + 7v = -21 + -14
7v = -21 + -14

Combine like terms: -21 + -14 = -35
7v = -35

Divide each side by '7'.
v = -5

Simplifying
v = -5

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