100=-7(4n+8)+2n

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Solution for 100=-7(4n+8)+2n equation:


Simplifying
100 = -7(4n + 8) + 2n

Reorder the terms:
100 = -7(8 + 4n) + 2n
100 = (8 * -7 + 4n * -7) + 2n
100 = (-56 + -28n) + 2n

Combine like terms: -28n + 2n = -26n
100 = -56 + -26n

Solving
100 = -56 + -26n

Solving for variable 'n'.

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

Add '26n' to each side of the equation.
100 + 26n = -56 + -26n + 26n

Combine like terms: -26n + 26n = 0
100 + 26n = -56 + 0
100 + 26n = -56

Add '-100' to each side of the equation.
100 + -100 + 26n = -56 + -100

Combine like terms: 100 + -100 = 0
0 + 26n = -56 + -100
26n = -56 + -100

Combine like terms: -56 + -100 = -156
26n = -156

Divide each side by '26'.
n = -6

Simplifying
n = -6

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