6d-12-d=9d+53+9

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Solution for 6d-12-d=9d+53+9 equation:


Simplifying
6d + -12 + -1d = 9d + 53 + 9

Reorder the terms:
-12 + 6d + -1d = 9d + 53 + 9

Combine like terms: 6d + -1d = 5d
-12 + 5d = 9d + 53 + 9

Reorder the terms:
-12 + 5d = 53 + 9 + 9d

Combine like terms: 53 + 9 = 62
-12 + 5d = 62 + 9d

Solving
-12 + 5d = 62 + 9d

Solving for variable 'd'.

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

Add '-9d' to each side of the equation.
-12 + 5d + -9d = 62 + 9d + -9d

Combine like terms: 5d + -9d = -4d
-12 + -4d = 62 + 9d + -9d

Combine like terms: 9d + -9d = 0
-12 + -4d = 62 + 0
-12 + -4d = 62

Add '12' to each side of the equation.
-12 + 12 + -4d = 62 + 12

Combine like terms: -12 + 12 = 0
0 + -4d = 62 + 12
-4d = 62 + 12

Combine like terms: 62 + 12 = 74
-4d = 74

Divide each side by '-4'.
d = -18.5

Simplifying
d = -18.5

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