3(v-7)=-9v+15

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Solution for 3(v-7)=-9v+15 equation:


Simplifying
3(v + -7) = -9v + 15

Reorder the terms:
3(-7 + v) = -9v + 15
(-7 * 3 + v * 3) = -9v + 15
(-21 + 3v) = -9v + 15

Reorder the terms:
-21 + 3v = 15 + -9v

Solving
-21 + 3v = 15 + -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.
-21 + 3v + 9v = 15 + -9v + 9v

Combine like terms: 3v + 9v = 12v
-21 + 12v = 15 + -9v + 9v

Combine like terms: -9v + 9v = 0
-21 + 12v = 15 + 0
-21 + 12v = 15

Add '21' to each side of the equation.
-21 + 21 + 12v = 15 + 21

Combine like terms: -21 + 21 = 0
0 + 12v = 15 + 21
12v = 15 + 21

Combine like terms: 15 + 21 = 36
12v = 36

Divide each side by '12'.
v = 3

Simplifying
v = 3

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