3n-4(n-2)=15

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


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

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

Reorder the terms:
8 + 3n + -4n = 15

Combine like terms: 3n + -4n = -1n
8 + -1n = 15

Solving
8 + -1n = 15

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 + -1n = 15 + -8

Combine like terms: 8 + -8 = 0
0 + -1n = 15 + -8
-1n = 15 + -8

Combine like terms: 15 + -8 = 7
-1n = 7

Divide each side by '-1'.
n = -7

Simplifying
n = -7

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