21v-3=4v+9

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Solution for 21v-3=4v+9 equation:


Simplifying
21v + -3 = 4v + 9

Reorder the terms:
-3 + 21v = 4v + 9

Reorder the terms:
-3 + 21v = 9 + 4v

Solving
-3 + 21v = 9 + 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.
-3 + 21v + -4v = 9 + 4v + -4v

Combine like terms: 21v + -4v = 17v
-3 + 17v = 9 + 4v + -4v

Combine like terms: 4v + -4v = 0
-3 + 17v = 9 + 0
-3 + 17v = 9

Add '3' to each side of the equation.
-3 + 3 + 17v = 9 + 3

Combine like terms: -3 + 3 = 0
0 + 17v = 9 + 3
17v = 9 + 3

Combine like terms: 9 + 3 = 12
17v = 12

Divide each side by '17'.
v = 0.7058823529

Simplifying
v = 0.7058823529

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