8(1-7x)=400

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Solution for 8(1-7x)=400 equation: 


Simplifying
8(1 + -7x) = 400
(1 * 8 + -7x * 8) = 400
(8 + -56x) = 400

Solving
8 + -56x = 400

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 = 400 + -8

Combine like terms: 8 + -8 = 0
0 + -56x = 400 + -8
-56x = 400 + -8

Combine like terms: 400 + -8 = 392
-56x = 392

Divide each side by '-56'.
x = -7

Simplifying
x = -7

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