7-8(-4v+1)=-129

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Solution for 7-8(-4v+1)=-129 equation: 


Simplifying
7 + -8(-4v + 1) = -129

Reorder the terms:
7 + -8(1 + -4v) = -129
7 + (1 * -8 + -4v * -8) = -129
7 + (-8 + 32v) = -129

Combine like terms: 7 + -8 = -1
-1 + 32v = -129

Solving
-1 + 32v = -129

Solving for variable 'v'.

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

Add '1' to each side of the equation.
-1 + 1 + 32v = -129 + 1

Combine like terms: -1 + 1 = 0
0 + 32v = -129 + 1
32v = -129 + 1

Combine like terms: -129 + 1 = -128
32v = -128

Divide each side by '32'.
v = -4

Simplifying
v = -4

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