0.10(d-21)=

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Solution for 0.10(d-21)= equation: 


Simplifying
0.10(d + -21) = 0

Reorder the terms:
0.10(-21 + d) = 0
(-21 * 0.10 + d * 0.10) = 0
(-2.1 + 0.10d) = 0

Solving
-2.1 + 0.10d = 0

Solving for variable 'd'.

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

Add '2.1' to each side of the equation.
-2.1 + 2.1 + 0.10d = 0 + 2.1

Combine like terms: -2.1 + 2.1 = 0.0
0.0 + 0.10d = 0 + 2.1
0.10d = 0 + 2.1

Combine like terms: 0 + 2.1 = 2.1
0.10d = 2.1

Divide each side by '0.10'.
d = 21

Simplifying
d = 21

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