-21=7v

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Solution for -21=7v equation:


Simplifying
-21 = 7v

Solving
-21 = 7v

Solving for variable 'v'.

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

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

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

Add '21' to each side of the equation.
-21 + 21 + -7v = 0 + 21

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

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

Divide each side by '-7'.
v = -3

Simplifying
v = -3

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