-6(3d+7)+6(D-3)=

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Solution for -6(3d+7)+6(D-3)= equation:


Simplifying
-6(3d + 7) + 6(D + -3) = 0

Reorder the terms:
-6(7 + 3d) + 6(D + -3) = 0
(7 * -6 + 3d * -6) + 6(D + -3) = 0
(-42 + -18d) + 6(D + -3) = 0

Reorder the terms:
-42 + -18d + 6(-3 + D) = 0
-42 + -18d + (-3 * 6 + D * 6) = 0
-42 + -18d + (-18 + 6D) = 0

Reorder the terms:
-42 + -18 + 6D + -18d = 0

Combine like terms: -42 + -18 = -60
-60 + 6D + -18d = 0

Solving
-60 + 6D + -18d = 0

Solving for variable 'D'.

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

Add '60' to each side of the equation.
-60 + 6D + 60 + -18d = 0 + 60

Reorder the terms:
-60 + 60 + 6D + -18d = 0 + 60

Combine like terms: -60 + 60 = 0
0 + 6D + -18d = 0 + 60
6D + -18d = 0 + 60

Combine like terms: 0 + 60 = 60
6D + -18d = 60

Add '18d' to each side of the equation.
6D + -18d + 18d = 60 + 18d

Combine like terms: -18d + 18d = 0
6D + 0 = 60 + 18d
6D = 60 + 18d

Divide each side by '6'.
D = 10 + 3d

Simplifying
D = 10 + 3d

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