-12d-6=-21d+3-100

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Solution for -12d-6=-21d+3-100 equation:


Simplifying
-12d + -6 = -21d + 3 + -100

Reorder the terms:
-6 + -12d = -21d + 3 + -100

Reorder the terms:
-6 + -12d = 3 + -100 + -21d

Combine like terms: 3 + -100 = -97
-6 + -12d = -97 + -21d

Solving
-6 + -12d = -97 + -21d

Solving for variable 'd'.

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

Add '21d' to each side of the equation.
-6 + -12d + 21d = -97 + -21d + 21d

Combine like terms: -12d + 21d = 9d
-6 + 9d = -97 + -21d + 21d

Combine like terms: -21d + 21d = 0
-6 + 9d = -97 + 0
-6 + 9d = -97

Add '6' to each side of the equation.
-6 + 6 + 9d = -97 + 6

Combine like terms: -6 + 6 = 0
0 + 9d = -97 + 6
9d = -97 + 6

Combine like terms: -97 + 6 = -91
9d = -91

Divide each side by '9'.
d = -10.11111111

Simplifying
d = -10.11111111

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