-7(n-1)+8(n-8)=-56

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Solution for -7(n-1)+8(n-8)=-56 equation:


Simplifying
-7(n + -1) + 8(n + -8) = -56

Reorder the terms:
-7(-1 + n) + 8(n + -8) = -56
(-1 * -7 + n * -7) + 8(n + -8) = -56
(7 + -7n) + 8(n + -8) = -56

Reorder the terms:
7 + -7n + 8(-8 + n) = -56
7 + -7n + (-8 * 8 + n * 8) = -56
7 + -7n + (-64 + 8n) = -56

Reorder the terms:
7 + -64 + -7n + 8n = -56

Combine like terms: 7 + -64 = -57
-57 + -7n + 8n = -56

Combine like terms: -7n + 8n = 1n
-57 + 1n = -56

Solving
-57 + 1n = -56

Solving for variable 'n'.

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

Add '57' to each side of the equation.
-57 + 57 + 1n = -56 + 57

Combine like terms: -57 + 57 = 0
0 + 1n = -56 + 57
1n = -56 + 57

Combine like terms: -56 + 57 = 1
1n = 1

Divide each side by '1'.
n = 1

Simplifying
n = 1

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