15n-4(3n+2)=13

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Solution for 15n-4(3n+2)=13 equation:


Simplifying
15n + -4(3n + 2) = 13

Reorder the terms:
15n + -4(2 + 3n) = 13
15n + (2 * -4 + 3n * -4) = 13
15n + (-8 + -12n) = 13

Reorder the terms:
-8 + 15n + -12n = 13

Combine like terms: 15n + -12n = 3n
-8 + 3n = 13

Solving
-8 + 3n = 13

Solving for variable 'n'.

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

Add '8' to each side of the equation.
-8 + 8 + 3n = 13 + 8

Combine like terms: -8 + 8 = 0
0 + 3n = 13 + 8
3n = 13 + 8

Combine like terms: 13 + 8 = 21
3n = 21

Divide each side by '3'.
n = 7

Simplifying
n = 7

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