15=3(v-3)-7v

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Solution for 15=3(v-3)-7v equation:


Simplifying
15 = 3(v + -3) + -7v

Reorder the terms:
15 = 3(-3 + v) + -7v
15 = (-3 * 3 + v * 3) + -7v
15 = (-9 + 3v) + -7v

Combine like terms: 3v + -7v = -4v
15 = -9 + -4v

Solving
15 = -9 + -4v

Solving for variable 'v'.

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

Add '4v' to each side of the equation.
15 + 4v = -9 + -4v + 4v

Combine like terms: -4v + 4v = 0
15 + 4v = -9 + 0
15 + 4v = -9

Add '-15' to each side of the equation.
15 + -15 + 4v = -9 + -15

Combine like terms: 15 + -15 = 0
0 + 4v = -9 + -15
4v = -9 + -15

Combine like terms: -9 + -15 = -24
4v = -24

Divide each side by '4'.
v = -6

Simplifying
v = -6

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