6d+2(3+2d)=12

Solution for 6d+2(3+2d)=12 equation:

Simplifying
6d + 2(3 + 2d) = 12
6d + (3 * 2 + 2d * 2) = 12
6d + (6 + 4d) = 12

Reorder the terms:
6 + 6d + 4d = 12

Combine like terms: 6d + 4d = 10d
6 + 10d = 12

Solving
6 + 10d = 12

Solving for variable 'd'.

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

Add '-6' to each side of the equation.
6 + -6 + 10d = 12 + -6

Combine like terms: 6 + -6 = 0
0 + 10d = 12 + -6
10d = 12 + -6

Combine like terms: 12 + -6 = 6
10d = 6

Divide each side by '10'.
d = 0.6

Simplifying
d = 0.6