n+3=2n-6

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Solution for n+3=2n-6 equation:


Simplifying
n + 3 = 2n + -6

Reorder the terms:
3 + n = 2n + -6

Reorder the terms:
3 + n = -6 + 2n

Solving
3 + n = -6 + 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.
3 + n + -2n = -6 + 2n + -2n

Combine like terms: n + -2n = -1n
3 + -1n = -6 + 2n + -2n

Combine like terms: 2n + -2n = 0
3 + -1n = -6 + 0
3 + -1n = -6

Add '-3' to each side of the equation.
3 + -3 + -1n = -6 + -3

Combine like terms: 3 + -3 = 0
0 + -1n = -6 + -3
-1n = -6 + -3

Combine like terms: -6 + -3 = -9
-1n = -9

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

Simplifying
n = 9

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