-1x-6(1+2x)=72

Solution for -1x-6(1+2x)=72 equation:

Simplifying
-1x + -6(1 + 2x) = 72
-1x + (1 * -6 + 2x * -6) = 72
-1x + (-6 + -12x) = 72

Reorder the terms:
-6 + -1x + -12x = 72

Combine like terms: -1x + -12x = -13x
-6 + -13x = 72

Solving
-6 + -13x = 72

Solving for variable 'x'.

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

Add '6' to each side of the equation.
-6 + 6 + -13x = 72 + 6

Combine like terms: -6 + 6 = 0
0 + -13x = 72 + 6
-13x = 72 + 6

Combine like terms: 72 + 6 = 78
-13x = 78

Divide each side by '-13'.
x = -6

Simplifying
x = -6