4n+3(n-2)=15

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

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

Reorder the terms:
4n + 3(-2 + n) = 15
4n + (-2 * 3 + n * 3) = 15
4n + (-6 + 3n) = 15

Reorder the terms:
-6 + 4n + 3n = 15

Combine like terms: 4n + 3n = 7n
-6 + 7n = 15

Solving
-6 + 7n = 15

Solving for variable 'n'.

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

Add '6' to each side of the equation.
-6 + 6 + 7n = 15 + 6

Combine like terms: -6 + 6 = 0
0 + 7n = 15 + 6
7n = 15 + 6

Combine like terms: 15 + 6 = 21
7n = 21

Divide each side by '7'.
n = 3

Simplifying
n = 3