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OpenStudy (anonymous):
Solve the following proportion for z:
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OpenStudy (anonymous):
OpenStudy (anonymous):
using cross multiplication, we have -28z + 84= -40 solving.. z=-7
OpenStudy (anonymous):
-28z + 84= -40z ***
OpenStudy (anonymous):
Oh, I get it
OpenStudy (anonymous):
ok!
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OpenStudy (anonymous):
Thanks!
OpenStudy (anonymous):
hmmm
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