-8(-1-7x)=512

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Solution for -8(-1-7x)=512 equation: 


Simplifying
-8(-1 + -7x) = 512
(-1 * -8 + -7x * -8) = 512
(8 + 56x) = 512

Solving
8 + 56x = 512

Solving for variable 'x'.

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

Add '-8' to each side of the equation.
8 + -8 + 56x = 512 + -8

Combine like terms: 8 + -8 = 0
0 + 56x = 512 + -8
56x = 512 + -8

Combine like terms: 512 + -8 = 504
56x = 504

Divide each side by '56'.
x = 9

Simplifying
x = 9

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