4v=21+2.5v

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Solution for 4v=21+2.5v equation: 


Simplifying
4v = 21 + 2.5v

Solving
4v = 21 + 2.5v

Solving for variable 'v'.

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

Add '-2.5v' to each side of the equation.
4v + -2.5v = 21 + 2.5v + -2.5v

Combine like terms: 4v + -2.5v = 1.5v
1.5v = 21 + 2.5v + -2.5v

Combine like terms: 2.5v + -2.5v = 0.0
1.5v = 21 + 0.0
1.5v = 21

Divide each side by '1.5'.
v = 14

Simplifying
v = 14

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