2(8+5v)=21

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Solution for 2(8+5v)=21 equation: 


Simplifying
2(8 + 5v) = 21
(8 * 2 + 5v * 2) = 21
(16 + 10v) = 21

Solving
16 + 10v = 21

Solving for variable 'v'.

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

Add '-16' to each side of the equation.
16 + -16 + 10v = 21 + -16

Combine like terms: 16 + -16 = 0
0 + 10v = 21 + -16
10v = 21 + -16

Combine like terms: 21 + -16 = 5
10v = 5

Divide each side by '10'.
v = 0.5

Simplifying
v = 0.5

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