8n-20=15+n

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


Simplifying
8n + -20 = 15 + n

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

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

Combine like terms: 8n + -1n = 7n
-20 + 7n = 15 + n + -1n

Combine like terms: n + -1n = 0
-20 + 7n = 15 + 0
-20 + 7n = 15

Add '20' to each side of the equation.
-20 + 20 + 7n = 15 + 20

Combine like terms: -20 + 20 = 0
0 + 7n = 15 + 20
7n = 15 + 20

Combine like terms: 15 + 20 = 35
7n = 35

Divide each side by '7'.
n = 5

Simplifying
n = 5

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