20n+n-13n-4n+4n+2=18

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Solution for 20n+n-13n-4n+4n+2=18 equation:


Simplifying
20n + n + -13n + -4n + 4n + 2 = 18

Reorder the terms:
2 + 20n + n + -13n + -4n + 4n = 18

Combine like terms: 20n + n = 21n
2 + 21n + -13n + -4n + 4n = 18

Combine like terms: 21n + -13n = 8n
2 + 8n + -4n + 4n = 18

Combine like terms: 8n + -4n = 4n
2 + 4n + 4n = 18

Combine like terms: 4n + 4n = 8n
2 + 8n = 18

Solving
2 + 8n = 18

Solving for variable 'n'.

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

Add '-2' to each side of the equation.
2 + -2 + 8n = 18 + -2

Combine like terms: 2 + -2 = 0
0 + 8n = 18 + -2
8n = 18 + -2

Combine like terms: 18 + -2 = 16
8n = 16

Divide each side by '8'.
n = 2

Simplifying
n = 2

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