-4(1+8v)=-21

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Solution for -4(1+8v)=-21 equation: 


Simplifying
-4(1 + 8v) = -21
(1 * -4 + 8v * -4) = -21
(-4 + -32v) = -21

Solving
-4 + -32v = -21

Solving for variable 'v'.

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

Add '4' to each side of the equation.
-4 + 4 + -32v = -21 + 4

Combine like terms: -4 + 4 = 0
0 + -32v = -21 + 4
-32v = -21 + 4

Combine like terms: -21 + 4 = -17
-32v = -17

Divide each side by '-32'.
v = 0.53125

Simplifying
v = 0.53125

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