7n+3(2n-8)=15

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Solution for 7n+3(2n-8)=15 equation:


Simplifying
7n + 3(2n + -8) = 15

Reorder the terms:
7n + 3(-8 + 2n) = 15
7n + (-8 * 3 + 2n * 3) = 15
7n + (-24 + 6n) = 15

Reorder the terms:
-24 + 7n + 6n = 15

Combine like terms: 7n + 6n = 13n
-24 + 13n = 15

Solving
-24 + 13n = 15

Solving for variable 'n'.

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

Add '24' to each side of the equation.
-24 + 24 + 13n = 15 + 24

Combine like terms: -24 + 24 = 0
0 + 13n = 15 + 24
13n = 15 + 24

Combine like terms: 15 + 24 = 39
13n = 39

Divide each side by '13'.
n = 3

Simplifying
n = 3

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