3(d-40)=7.50

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Solution for 3(d-40)=7.50 equation: 



3(d-40)=7.50

We move all terms to the left:

3(d-40)-(7.50)=0

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

3(d-40)-7.5=0

We multiply parentheses

3d-120-7.5=0

We add all the numbers together, and all the variables

3d-127.5=0

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

3d=127.5

d=127.5/3

d=42+1/2

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