7.5(d-2)=40

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Solution for 7.5(d-2)=40 equation: 



7.5(d-2)=40

We move all terms to the left:

7.5(d-2)-(40)=0

We multiply parentheses

7.5d-15-40=0

We add all the numbers together, and all the variables

7.5d-55=0

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

7.5d=55

d=55/7.5

d=7+2.5/7.5

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