3v-21=9v-1

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Solution for 3v-21=9v-1 equation:


Simplifying
3v + -21 = 9v + -1

Reorder the terms:
-21 + 3v = 9v + -1

Reorder the terms:
-21 + 3v = -1 + 9v

Solving
-21 + 3v = -1 + 9v

Solving for variable 'v'.

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

Add '-9v' to each side of the equation.
-21 + 3v + -9v = -1 + 9v + -9v

Combine like terms: 3v + -9v = -6v
-21 + -6v = -1 + 9v + -9v

Combine like terms: 9v + -9v = 0
-21 + -6v = -1 + 0
-21 + -6v = -1

Add '21' to each side of the equation.
-21 + 21 + -6v = -1 + 21

Combine like terms: -21 + 21 = 0
0 + -6v = -1 + 21
-6v = -1 + 21

Combine like terms: -1 + 21 = 20
-6v = 20

Divide each side by '-6'.
v = -3.333333333

Simplifying
v = -3.333333333

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