100-40d=

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Solution for 100-40d= equation: 


Simplifying
100 + -40d = 0

Solving
100 + -40d = 0

Solving for variable 'd'.

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

Add '-100' to each side of the equation.
100 + -100 + -40d = 0 + -100

Combine like terms: 100 + -100 = 0
0 + -40d = 0 + -100
-40d = 0 + -100

Combine like terms: 0 + -100 = -100
-40d = -100

Divide each side by '-40'.
d = 2.5

Simplifying
d = 2.5

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