7(z-87)=28

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Solution for 7(z-87)=28 equation: 



7(z-87)=28

We move all terms to the left:

7(z-87)-(28)=0

We multiply parentheses

7z-609-28=0

We add all the numbers together, and all the variables

7z-637=0

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

7z=637

z=637/7

z=91

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