15-7.5(2d-1)=7.5

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Solution for 15-7.5(2d-1)=7.5 equation: 



15-7.5(2d-1)=7.5

We move all terms to the left:

15-7.5(2d-1)-(7.5)=0

We add all the numbers together, and all the variables

-7.5(2d-1)+7.5=0

We multiply parentheses

-15d+7.5+7.5=0

We add all the numbers together, and all the variables

-15d+15=0

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

-15d=-15

d=-15/-15

d=1

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