8.1=0.9d

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Solution for 8.1=0.9d equation:


Simplifying
8.1 = 0.9d

Solving
8.1 = 0.9d

Solving for variable 'd'.

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

Add '-0.9d' to each side of the equation.
8.1 + -0.9d = 0.9d + -0.9d

Combine like terms: 0.9d + -0.9d = 0.0
8.1 + -0.9d = 0.0

Add '-8.1' to each side of the equation.
8.1 + -8.1 + -0.9d = 0.0 + -8.1

Combine like terms: 8.1 + -8.1 = 0.0
0.0 + -0.9d = 0.0 + -8.1
-0.9d = 0.0 + -8.1

Combine like terms: 0.0 + -8.1 = -8.1
-0.9d = -8.1

Divide each side by '-0.9'.
d = 9

Simplifying
d = 9

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