d=.6d+2.1

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Solution for d=.6d+2.1 equation: 


Simplifying
d = 0.6d + 2.1

Reorder the terms:
d = 2.1 + 0.6d

Solving
d = 2.1 + 0.6d

Solving for variable 'd'.

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

Add '-0.6d' to each side of the equation.
d + -0.6d = 2.1 + 0.6d + -0.6d

Combine like terms: d + -0.6d = 0.4d
0.4d = 2.1 + 0.6d + -0.6d

Combine like terms: 0.6d + -0.6d = 0.0
0.4d = 2.1 + 0.0
0.4d = 2.1

Divide each side by '0.4'.
d = 5.25

Simplifying
d = 5.25

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