3v+7=5v-9

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


Simplifying
3v + 7 = 5v + -9

Reorder the terms:
7 + 3v = 5v + -9

Reorder the terms:
7 + 3v = -9 + 5v

Solving
7 + 3v = -9 + 5v

Solving for variable 'v'.

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

Add '-5v' to each side of the equation.
7 + 3v + -5v = -9 + 5v + -5v

Combine like terms: 3v + -5v = -2v
7 + -2v = -9 + 5v + -5v

Combine like terms: 5v + -5v = 0
7 + -2v = -9 + 0
7 + -2v = -9

Add '-7' to each side of the equation.
7 + -7 + -2v = -9 + -7

Combine like terms: 7 + -7 = 0
0 + -2v = -9 + -7
-2v = -9 + -7

Combine like terms: -9 + -7 = -16
-2v = -16

Divide each side by '-2'.
v = 8

Simplifying
v = 8

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