1-0.1d=2.1

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Solution for 1-0.1d=2.1 equation: 


Simplifying
1 + -0.1d = 2.1

Solving
1 + -0.1d = 2.1

Solving for variable 'd'.

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

Add '-1' to each side of the equation.
1 + -1 + -0.1d = 2.1 + -1

Combine like terms: 1 + -1 = 0
0 + -0.1d = 2.1 + -1
-0.1d = 2.1 + -1

Combine like terms: 2.1 + -1 = 1.1
-0.1d = 1.1

Divide each side by '-0.1'.
d = -11

Simplifying
d = -11

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