9+n=-3+2n

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Solution for 9+n=-3+2n equation:


Simplifying
9 + n = -3 + 2n

Solving
9 + n = -3 + 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.
9 + n + -2n = -3 + 2n + -2n

Combine like terms: n + -2n = -1n
9 + -1n = -3 + 2n + -2n

Combine like terms: 2n + -2n = 0
9 + -1n = -3 + 0
9 + -1n = -3

Add '-9' to each side of the equation.
9 + -9 + -1n = -3 + -9

Combine like terms: 9 + -9 = 0
0 + -1n = -3 + -9
-1n = -3 + -9

Combine like terms: -3 + -9 = -12
-1n = -12

Divide each side by '-1'.
n = 12

Simplifying
n = 12

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