8n-(n+3)=9

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Solution for 8n-(n+3)=9 equation:


Simplifying
8n + -1(n + 3) = 9

Reorder the terms:
8n + -1(3 + n) = 9
8n + (3 * -1 + n * -1) = 9
8n + (-3 + -1n) = 9

Reorder the terms:
-3 + 8n + -1n = 9

Combine like terms: 8n + -1n = 7n
-3 + 7n = 9

Solving
-3 + 7n = 9

Solving for variable 'n'.

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

Add '3' to each side of the equation.
-3 + 3 + 7n = 9 + 3

Combine like terms: -3 + 3 = 0
0 + 7n = 9 + 3
7n = 9 + 3

Combine like terms: 9 + 3 = 12
7n = 12

Divide each side by '7'.
n = 1.714285714

Simplifying
n = 1.714285714

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