15=-7+4v

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Solution for 15=-7+4v equation:


Simplifying
15 = -7 + 4v

Solving
15 = -7 + 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 = -7 + 4v + -4v

Combine like terms: 4v + -4v = 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 = -22
-4v = -22

Divide each side by '-4'.
v = 5.5

Simplifying
v = 5.5

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