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

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


Simplifying
2(d + 6) = -2d + -12

Reorder the terms:
2(6 + d) = -2d + -12
(6 * 2 + d * 2) = -2d + -12
(12 + 2d) = -2d + -12

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

Solving
12 + 2d = -12 + -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.
12 + 2d + 2d = -12 + -2d + 2d

Combine like terms: 2d + 2d = 4d
12 + 4d = -12 + -2d + 2d

Combine like terms: -2d + 2d = 0
12 + 4d = -12 + 0
12 + 4d = -12

Add '-12' to each side of the equation.
12 + -12 + 4d = -12 + -12

Combine like terms: 12 + -12 = 0
0 + 4d = -12 + -12
4d = -12 + -12

Combine like terms: -12 + -12 = -24
4d = -24

Divide each side by '4'.
d = -6

Simplifying
d = -6

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