2n-9=n+3

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


Simplifying
2n + -9 = n + 3

Reorder the terms:
-9 + 2n = n + 3

Reorder the terms:
-9 + 2n = 3 + n

Solving
-9 + 2n = 3 + n

Solving for variable 'n'.

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

Add '-1n' to each side of the equation.
-9 + 2n + -1n = 3 + n + -1n

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

Combine like terms: n + -1n = 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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