6=-2(7-d)

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

Simplifying
6 = -2(7 + -1d)
6 = (7 * -2 + -1d * -2)
6 = (-14 + 2d)

Solving
6 = -14 + 2d

Solving for variable 'd'.

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

Add '-2d' to each side of the equation.
6 + -2d = -14 + 2d + -2d

Combine like terms: 2d + -2d = 0
6 + -2d = -14 + 0
6 + -2d = -14

Add '-6' to each side of the equation.
6 + -6 + -2d = -14 + -6

Combine like terms: 6 + -6 = 0
0 + -2d = -14 + -6
-2d = -14 + -6

Combine like terms: -14 + -6 = -20
-2d = -20

Divide each side by '-2'.
d = 10

Simplifying
d = 10