8n-(3n+7)=13

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Solution for 8n-(3n+7)=13 equation:


Simplifying
8n + -1(3n + 7) = 13

Reorder the terms:
8n + -1(7 + 3n) = 13
8n + (7 * -1 + 3n * -1) = 13
8n + (-7 + -3n) = 13

Reorder the terms:
-7 + 8n + -3n = 13

Combine like terms: 8n + -3n = 5n
-7 + 5n = 13

Solving
-7 + 5n = 13

Solving for variable 'n'.

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

Add '7' to each side of the equation.
-7 + 7 + 5n = 13 + 7

Combine like terms: -7 + 7 = 0
0 + 5n = 13 + 7
5n = 13 + 7

Combine like terms: 13 + 7 = 20
5n = 20

Divide each side by '5'.
n = 4

Simplifying
n = 4

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