-n-9=n+45

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Solution for -n-9=n+45 equation:


Simplifying
-1n + -9 = n + 45

Reorder the terms:
-9 + -1n = n + 45

Reorder the terms:
-9 + -1n = 45 + n

Solving
-9 + -1n = 45 + 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.
-9 + -1n + -1n = 45 + n + -1n

Combine like terms: -1n + -1n = -2n
-9 + -2n = 45 + n + -1n

Combine like terms: n + -1n = 0
-9 + -2n = 45 + 0
-9 + -2n = 45

Add '9' to each side of the equation.
-9 + 9 + -2n = 45 + 9

Combine like terms: -9 + 9 = 0
0 + -2n = 45 + 9
-2n = 45 + 9

Combine like terms: 45 + 9 = 54
-2n = 54

Divide each side by '-2'.
n = -27

Simplifying
n = -27

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