18+3n=n+7

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Solution for 18+3n=n+7 equation:


Simplifying
18 + 3n = n + 7

Reorder the terms:
18 + 3n = 7 + n

Solving
18 + 3n = 7 + 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.
18 + 3n + -1n = 7 + n + -1n

Combine like terms: 3n + -1n = 2n
18 + 2n = 7 + n + -1n

Combine like terms: n + -1n = 0
18 + 2n = 7 + 0
18 + 2n = 7

Add '-18' to each side of the equation.
18 + -18 + 2n = 7 + -18

Combine like terms: 18 + -18 = 0
0 + 2n = 7 + -18
2n = 7 + -18

Combine like terms: 7 + -18 = -11
2n = -11

Divide each side by '2'.
n = -5.5

Simplifying
n = -5.5

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