9v-21=6(v-2)

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Solution for 9v-21=6(v-2) equation:


Simplifying
9v + -21 = 6(v + -2)

Reorder the terms:
-21 + 9v = 6(v + -2)

Reorder the terms:
-21 + 9v = 6(-2 + v)
-21 + 9v = (-2 * 6 + v * 6)
-21 + 9v = (-12 + 6v)

Solving
-21 + 9v = -12 + 6v

Solving for variable 'v'.

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

Add '-6v' to each side of the equation.
-21 + 9v + -6v = -12 + 6v + -6v

Combine like terms: 9v + -6v = 3v
-21 + 3v = -12 + 6v + -6v

Combine like terms: 6v + -6v = 0
-21 + 3v = -12 + 0
-21 + 3v = -12

Add '21' to each side of the equation.
-21 + 21 + 3v = -12 + 21

Combine like terms: -21 + 21 = 0
0 + 3v = -12 + 21
3v = -12 + 21

Combine like terms: -12 + 21 = 9
3v = 9

Divide each side by '3'.
v = 3

Simplifying
v = 3

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