5v-7v=-15

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


Simplifying
5v + -7v = -15

Combine like terms: 5v + -7v = -2v
-2v = -15

Solving
-2v = -15

Solving for variable 'v'.

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

Divide each side by '-2'.
v = 7.5

Simplifying
v = 7.5

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