7.5-8.5(1-9.5z)=28.5

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Solution for 7.5-8.5(1-9.5z)=28.5 equation: 



7.5-8.5(1-9.5z)=28.5

We move all terms to the left:

7.5-8.5(1-9.5z)-(28.5)=0

We add all the numbers together, and all the variables

-8.5(-9.5z+1)+7.5-(28.5)=0

We add all the numbers together, and all the variables

-8.5(-9.5z+1)-21=0

We multiply parentheses

76.5z-8.5-21=0

We add all the numbers together, and all the variables

76.5z-29.5=0

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

76.5z=29.5

z=29.5/76.5

z=19.6666666667/51

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