-21=2v-7

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Solution for -21=2v-7 equation:


Simplifying
-21 = 2v + -7

Reorder the terms:
-21 = -7 + 2v

Solving
-21 = -7 + 2v

Solving for variable 'v'.

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

Add '-2v' to each side of the equation.
-21 + -2v = -7 + 2v + -2v

Combine like terms: 2v + -2v = 0
-21 + -2v = -7 + 0
-21 + -2v = -7

Add '21' to each side of the equation.
-21 + 21 + -2v = -7 + 21

Combine like terms: -21 + 21 = 0
0 + -2v = -7 + 21
-2v = -7 + 21

Combine like terms: -7 + 21 = 14
-2v = 14

Divide each side by '-2'.
v = -7

Simplifying
v = -7

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