9=-5v+7(v+3)

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Solution for 9=-5v+7(v+3) equation:


Simplifying
9 = -5v + 7(v + 3)

Reorder the terms:
9 = -5v + 7(3 + v)
9 = -5v + (3 * 7 + v * 7)
9 = -5v + (21 + 7v)

Reorder the terms:
9 = 21 + -5v + 7v

Combine like terms: -5v + 7v = 2v
9 = 21 + 2v

Solving
9 = 21 + 2v

Solving for variable 'v'.

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

Add '-2v' to each side of the equation.
9 + -2v = 21 + 2v + -2v

Combine like terms: 2v + -2v = 0
9 + -2v = 21 + 0
9 + -2v = 21

Add '-9' to each side of the equation.
9 + -9 + -2v = 21 + -9

Combine like terms: 9 + -9 = 0
0 + -2v = 21 + -9
-2v = 21 + -9

Combine like terms: 21 + -9 = 12
-2v = 12

Divide each side by '-2'.
v = -6

Simplifying
v = -6

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