2n-3=18-n

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Solution for 2n-3=18-n equation:


Simplifying
2n + -3 = 18 + -1n

Reorder the terms:
-3 + 2n = 18 + -1n

Solving
-3 + 2n = 18 + -1n

Solving for variable 'n'.

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

Add 'n' to each side of the equation.
-3 + 2n + n = 18 + -1n + n

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

Combine like terms: -1n + n = 0
-3 + 3n = 18 + 0
-3 + 3n = 18

Add '3' to each side of the equation.
-3 + 3 + 3n = 18 + 3

Combine like terms: -3 + 3 = 0
0 + 3n = 18 + 3
3n = 18 + 3

Combine like terms: 18 + 3 = 21
3n = 21

Divide each side by '3'.
n = 7

Simplifying
n = 7

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