2(3+6x)-1=77

Solution for 2(3+6x)-1=77 equation:

Simplifying
2(3 + 6x) + -1 = 77
(3 * 2 + 6x * 2) + -1 = 77
(6 + 12x) + -1 = 77

Reorder the terms:
6 + -1 + 12x = 77

Combine like terms: 6 + -1 = 5
5 + 12x = 77

Solving
5 + 12x = 77

Solving for variable 'x'.

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

Add '-5' to each side of the equation.
5 + -5 + 12x = 77 + -5

Combine like terms: 5 + -5 = 0
0 + 12x = 77 + -5
12x = 77 + -5

Combine like terms: 77 + -5 = 72
12x = 72

Divide each side by '12'.
x = 6

Simplifying
x = 6