-1=7+(n-1)-5

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Solution for -1=7+(n-1)-5 equation: 


Simplifying
-1 = 7 + (n + -1) + -5

Reorder the terms:
-1 = 7 + (-1 + n) + -5

Remove parenthesis around (-1 + n)
-1 = 7 + -1 + n + -5

Reorder the terms:
-1 = 7 + -1 + -5 + n

Combine like terms: 7 + -1 = 6
-1 = 6 + -5 + n

Combine like terms: 6 + -5 = 1
-1 = 1 + n

Solving
-1 = 1 + n

Solving for variable 'n'.

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

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

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

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

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

Combine like terms: 1 + 1 = 2
-1n = 2

Divide each side by '-1'.
n = -2

Simplifying
n = -2

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