-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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