-7(7x-8)=399

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Solution for -7(7x-8)=399 equation: 


Simplifying
-7(7x + -8) = 399

Reorder the terms:
-7(-8 + 7x) = 399
(-8 * -7 + 7x * -7) = 399
(56 + -49x) = 399

Solving
56 + -49x = 399

Solving for variable 'x'.

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

Add '-56' to each side of the equation.
56 + -56 + -49x = 399 + -56

Combine like terms: 56 + -56 = 0
0 + -49x = 399 + -56
-49x = 399 + -56

Combine like terms: 399 + -56 = 343
-49x = 343

Divide each side by '-49'.
x = -7

Simplifying
x = -7

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