18=5n+7-3n

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Solution for 18=5n+7-3n equation:


Simplifying
18 = 5n + 7 + -3n

Reorder the terms:
18 = 7 + 5n + -3n

Combine like terms: 5n + -3n = 2n
18 = 7 + 2n

Solving
18 = 7 + 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.
18 + -2n = 7 + 2n + -2n

Combine like terms: 2n + -2n = 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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