8n-(4n+5)=13

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Solution for 8n-(4n+5)=13 equation:


Simplifying
8n + -1(4n + 5) = 13

Reorder the terms:
8n + -1(5 + 4n) = 13
8n + (5 * -1 + 4n * -1) = 13
8n + (-5 + -4n) = 13

Reorder the terms:
-5 + 8n + -4n = 13

Combine like terms: 8n + -4n = 4n
-5 + 4n = 13

Solving
-5 + 4n = 13

Solving for variable 'n'.

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

Add '5' to each side of the equation.
-5 + 5 + 4n = 13 + 5

Combine like terms: -5 + 5 = 0
0 + 4n = 13 + 5
4n = 13 + 5

Combine like terms: 13 + 5 = 18
4n = 18

Divide each side by '4'.
n = 4.5

Simplifying
n = 4.5

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