=9+2n-2

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Solution for =9+2n-2 equation: 


Simplifying
0 = 9 + 2n + -2

Reorder the terms:
0 = 9 + -2 + 2n

Combine like terms: 9 + -2 = 7
0 = 7 + 2n

Solving
0 = 7 + 2n

Solving for variable 'n'.

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

Add '-2n' to each side of the equation.
0 + -2n = 7 + 2n + -2n
Remove the zero:
-2n = 7 + 2n + -2n

Combine like terms: 2n + -2n = 0
-2n = 7 + 0
-2n = 7

Divide each side by '-2'.
n = -3.5

Simplifying
n = -3.5

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