-84=-7(-8-7n)+7

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Solution for -84=-7(-8-7n)+7 equation:


Simplifying
-84 = -7(-8 + -7n) + 7
-84 = (-8 * -7 + -7n * -7) + 7
-84 = (56 + 49n) + 7

Reorder the terms:
-84 = 56 + 7 + 49n

Combine like terms: 56 + 7 = 63
-84 = 63 + 49n

Solving
-84 = 63 + 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.
-84 + -49n = 63 + 49n + -49n

Combine like terms: 49n + -49n = 0
-84 + -49n = 63 + 0
-84 + -49n = 63

Add '84' to each side of the equation.
-84 + 84 + -49n = 63 + 84

Combine like terms: -84 + 84 = 0
0 + -49n = 63 + 84
-49n = 63 + 84

Combine like terms: 63 + 84 = 147
-49n = 147

Divide each side by '-49'.
n = -3

Simplifying
n = -3

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