(d-3)0.40=30

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Solution for (d-3)0.40=30 equation: 



(d-3)0.40=30

We move all terms to the left:

(d-3)0.40-(30)=0

We multiply parentheses

0.4d-1.2-30=0

We add all the numbers together, and all the variables

0.4d-31.2=0

We move all terms containing d to the left, all other terms to the right

0.4d=31.2

d=31.2/0.4

d=78+-3.5527136788005E-15/0.4

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