7(n-7)-(8-n)=

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


Simplifying
7(n + -7) + -1(8 + -1n) = 0

Reorder the terms:
7(-7 + n) + -1(8 + -1n) = 0
(-7 * 7 + n * 7) + -1(8 + -1n) = 0
(-49 + 7n) + -1(8 + -1n) = 0
-49 + 7n + (8 * -1 + -1n * -1) = 0
-49 + 7n + (-8 + 1n) = 0

Reorder the terms:
-49 + -8 + 7n + 1n = 0

Combine like terms: -49 + -8 = -57
-57 + 7n + 1n = 0

Combine like terms: 7n + 1n = 8n
-57 + 8n = 0

Solving
-57 + 8n = 0

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 + 8n = 0 + 57

Combine like terms: -57 + 57 = 0
0 + 8n = 0 + 57
8n = 0 + 57

Combine like terms: 0 + 57 = 57
8n = 57

Divide each side by '8'.
n = 7.125

Simplifying
n = 7.125

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