2(-1+7v)=40

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Solution for 2(-1+7v)=40 equation: 


Simplifying
2(-1 + 7v) = 40
(-1 * 2 + 7v * 2) = 40
(-2 + 14v) = 40

Solving
-2 + 14v = 40

Solving for variable 'v'.

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

Add '2' to each side of the equation.
-2 + 2 + 14v = 40 + 2

Combine like terms: -2 + 2 = 0
0 + 14v = 40 + 2
14v = 40 + 2

Combine like terms: 40 + 2 = 42
14v = 42

Divide each side by '14'.
v = 3

Simplifying
v = 3

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