4+-9=-9+1+2n+12

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Solution for 4+-9=-9+1+2n+12 equation:


Simplifying
4 + -9 = -9 + 1 + 2n + 12

Combine like terms: 4 + -9 = -5
-5 = -9 + 1 + 2n + 12

Reorder the terms:
-5 = -9 + 1 + 12 + 2n

Combine like terms: -9 + 1 = -8
-5 = -8 + 12 + 2n

Combine like terms: -8 + 12 = 4
-5 = 4 + 2n

Solving
-5 = 4 + 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.
-5 + -2n = 4 + 2n + -2n

Combine like terms: 2n + -2n = 0
-5 + -2n = 4 + 0
-5 + -2n = 4

Add '5' to each side of the equation.
-5 + 5 + -2n = 4 + 5

Combine like terms: -5 + 5 = 0
0 + -2n = 4 + 5
-2n = 4 + 5

Combine like terms: 4 + 5 = 9
-2n = 9

Divide each side by '-2'.
n = -4.5

Simplifying
n = -4.5

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