2(3+6x)-3=51

Solution for 2(3+6x)-3=51 equation:

Simplifying
2(3 + 6x) + -3 = 51
(3 * 2 + 6x * 2) + -3 = 51
(6 + 12x) + -3 = 51

Reorder the terms:
6 + -3 + 12x = 51

Combine like terms: 6 + -3 = 3
3 + 12x = 51

Solving
3 + 12x = 51

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 + 12x = 51 + -3

Combine like terms: 3 + -3 = 0
0 + 12x = 51 + -3
12x = 51 + -3

Combine like terms: 51 + -3 = 48
12x = 48

Divide each side by '12'.
x = 4

Simplifying
x = 4