8n+15=20-n

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Solution for 8n+15=20-n equation:


Simplifying
8n + 15 = 20 + -1n

Reorder the terms:
15 + 8n = 20 + -1n

Solving
15 + 8n = 20 + -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.
15 + 8n + n = 20 + -1n + n

Combine like terms: 8n + n = 9n
15 + 9n = 20 + -1n + n

Combine like terms: -1n + n = 0
15 + 9n = 20 + 0
15 + 9n = 20

Add '-15' to each side of the equation.
15 + -15 + 9n = 20 + -15

Combine like terms: 15 + -15 = 0
0 + 9n = 20 + -15
9n = 20 + -15

Combine like terms: 20 + -15 = 5
9n = 5

Divide each side by '9'.
n = 0.5555555556

Simplifying
n = 0.5555555556

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