7d-(6-2d)=12

Solution for 7d-(6-2d)=12 equation:

Simplifying
7d + -1(6 + -2d) = 12
7d + (6 * -1 + -2d * -1) = 12
7d + (-6 + 2d) = 12

Reorder the terms:
-6 + 7d + 2d = 12

Combine like terms: 7d + 2d = 9d
-6 + 9d = 12

Solving
-6 + 9d = 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 + 9d = 12 + 6

Combine like terms: -6 + 6 = 0
0 + 9d = 12 + 6
9d = 12 + 6

Combine like terms: 12 + 6 = 18
9d = 18

Divide each side by '9'.
d = 2

Simplifying
d = 2