3(x+1)-9x=-39

Solution for 3(x+1)-9x=-39 equation:

Simplifying
3(x + 1) + -9x = -39

Reorder the terms:
3(1 + x) + -9x = -39
(1 * 3 + x * 3) + -9x = -39
(3 + 3x) + -9x = -39

Combine like terms: 3x + -9x = -6x
3 + -6x = -39

Solving
3 + -6x = -39

Solving for variable 'x'.

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

Add '-3' to each side of the equation.
3 + -3 + -6x = -39 + -3

Combine like terms: 3 + -3 = 0
0 + -6x = -39 + -3
-6x = -39 + -3

Combine like terms: -39 + -3 = -42
-6x = -42

Divide each side by '-6'.
x = 7

Simplifying
x = 7