-399=7(-8-7n)

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


Simplifying
-399 = 7(-8 + -7n)
-399 = (-8 * 7 + -7n * 7)
-399 = (-56 + -49n)

Solving
-399 = -56 + -49n

Solving for variable 'n'.

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

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

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

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

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

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

Divide each side by '49'.
n = 7

Simplifying
n = 7

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