n+45=-2n+9

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Solution for n+45=-2n+9 equation:


Simplifying
n + 45 = -2n + 9

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

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

Solving
45 + n = 9 + -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.
45 + n + 2n = 9 + -2n + 2n

Combine like terms: n + 2n = 3n
45 + 3n = 9 + -2n + 2n

Combine like terms: -2n + 2n = 0
45 + 3n = 9 + 0
45 + 3n = 9

Add '-45' to each side of the equation.
45 + -45 + 3n = 9 + -45

Combine like terms: 45 + -45 = 0
0 + 3n = 9 + -45
3n = 9 + -45

Combine like terms: 9 + -45 = -36
3n = -36

Divide each side by '3'.
n = -12

Simplifying
n = -12

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