21(5-8v)+12=54

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Solution for 21(5-8v)+12=54 equation: 


Simplifying
21(5 + -8v) + 12 = 54
(5 * 21 + -8v * 21) + 12 = 54
(105 + -168v) + 12 = 54

Reorder the terms:
105 + 12 + -168v = 54

Combine like terms: 105 + 12 = 117
117 + -168v = 54

Solving
117 + -168v = 54

Solving for variable 'v'.

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

Add '-117' to each side of the equation.
117 + -117 + -168v = 54 + -117

Combine like terms: 117 + -117 = 0
0 + -168v = 54 + -117
-168v = 54 + -117

Combine like terms: 54 + -117 = -63
-168v = -63

Divide each side by '-168'.
v = 0.375

Simplifying
v = 0.375

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