19d=21d-6

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Solution for 19d=21d-6 equation: 


Simplifying
19d = 21d + -6

Reorder the terms:
19d = -6 + 21d

Solving
19d = -6 + 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.
19d + -21d = -6 + 21d + -21d

Combine like terms: 19d + -21d = -2d
-2d = -6 + 21d + -21d

Combine like terms: 21d + -21d = 0
-2d = -6 + 0
-2d = -6

Divide each side by '-2'.
d = 3

Simplifying
d = 3

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