9n-(3+n)=x

Solution for 9n-(3+n)=x equation:

Simplifying
9n + -1(3 + n) = x
9n + (3 * -1 + n * -1) = x
9n + (-3 + -1n) = x

Reorder the terms:
-3 + 9n + -1n = x

Combine like terms: 9n + -1n = 8n
-3 + 8n = x

Solving
-3 + 8n = x

Solving for variable 'n'.

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

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

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

Divide each side by '8'.
n = 0.375 + 0.125x

Simplifying
n = 0.375 + 0.125x