21=4+6v+5

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Solution for 21=4+6v+5 equation:


Simplifying
21 = 4 + 6v + 5

Reorder the terms:
21 = 4 + 5 + 6v

Combine like terms: 4 + 5 = 9
21 = 9 + 6v

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

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

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

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

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

Divide each side by '-6'.
v = 2

Simplifying
v = 2

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