-n+(-n+1)=90

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Solution for -n+(-n+1)=90 equation:


Simplifying
-1n + (-1n + 1) = 90

Reorder the terms:
-1n + (1 + -1n) = 90

Remove parenthesis around (1 + -1n)
-1n + 1 + -1n = 90

Reorder the terms:
1 + -1n + -1n = 90

Combine like terms: -1n + -1n = -2n
1 + -2n = 90

Solving
1 + -2n = 90

Solving for variable 'n'.

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

Add '-1' to each side of the equation.
1 + -1 + -2n = 90 + -1

Combine like terms: 1 + -1 = 0
0 + -2n = 90 + -1
-2n = 90 + -1

Combine like terms: 90 + -1 = 89
-2n = 89

Divide each side by '-2'.
n = -44.5

Simplifying
n = -44.5

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