-9(n+4)-(1+8n)=-18n

Solution for -9(n+4)-(1+8n)=-18n equation:

Simplifying
-9(n + 4) + -1(1 + 8n) = -18n

Reorder the terms:
-9(4 + n) + -1(1 + 8n) = -18n
(4 * -9 + n * -9) + -1(1 + 8n) = -18n
(-36 + -9n) + -1(1 + 8n) = -18n
-36 + -9n + (1 * -1 + 8n * -1) = -18n
-36 + -9n + (-1 + -8n) = -18n

Reorder the terms:
-36 + -1 + -9n + -8n = -18n

Combine like terms: -36 + -1 = -37
-37 + -9n + -8n = -18n

Combine like terms: -9n + -8n = -17n
-37 + -17n = -18n

Solving
-37 + -17n = -18n

Solving for variable 'n'.

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

Add '18n' to each side of the equation.
-37 + -17n + 18n = -18n + 18n

Combine like terms: -17n + 18n = 1n
-37 + 1n = -18n + 18n

Combine like terms: -18n + 18n = 0
-37 + 1n = 0

Add '37' to each side of the equation.
-37 + 37 + 1n = 0 + 37

Combine like terms: -37 + 37 = 0
0 + 1n = 0 + 37
1n = 0 + 37

Combine like terms: 0 + 37 = 37
1n = 37

Divide each side by '1'.
n = 37

Simplifying
n = 37