9+-18=n

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Solution for 9+-18=n equation:


Simplifying
9 + -18 = n

Combine like terms: 9 + -18 = -9
-9 = n

Solving
-9 = 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 = n + -1n

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

Add '9' to each side of the equation.
-9 + 9 + -1n = 0 + 9

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

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

Divide each side by '-1'.
n = -9

Simplifying
n = -9

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