5v-15=9v-7

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Solution for 5v-15=9v-7 equation:


Simplifying
5v + -15 = 9v + -7

Reorder the terms:
-15 + 5v = 9v + -7

Reorder the terms:
-15 + 5v = -7 + 9v

Solving
-15 + 5v = -7 + 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.
-15 + 5v + -9v = -7 + 9v + -9v

Combine like terms: 5v + -9v = -4v
-15 + -4v = -7 + 9v + -9v

Combine like terms: 9v + -9v = 0
-15 + -4v = -7 + 0
-15 + -4v = -7

Add '15' to each side of the equation.
-15 + 15 + -4v = -7 + 15

Combine like terms: -15 + 15 = 0
0 + -4v = -7 + 15
-4v = -7 + 15

Combine like terms: -7 + 15 = 8
-4v = 8

Divide each side by '-4'.
v = -2

Simplifying
v = -2

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