11+n=2n+18

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Solution for 11+n=2n+18 equation:


Simplifying
11 + n = 2n + 18

Reorder the terms:
11 + n = 18 + 2n

Solving
11 + n = 18 + 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.
11 + n + -2n = 18 + 2n + -2n

Combine like terms: n + -2n = -1n
11 + -1n = 18 + 2n + -2n

Combine like terms: 2n + -2n = 0
11 + -1n = 18 + 0
11 + -1n = 18

Add '-11' to each side of the equation.
11 + -11 + -1n = 18 + -11

Combine like terms: 11 + -11 = 0
0 + -1n = 18 + -11
-1n = 18 + -11

Combine like terms: 18 + -11 = 7
-1n = 7

Divide each side by '-1'.
n = -7

Simplifying
n = -7

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