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Mathematics 9 Online
OpenStudy (anonymous):

–(5z + 12) = 18?

OpenStudy (shaik0124):

-5z=18+12 -5z=30 z=-6

OpenStudy (anonymous):

-5z-12=18 +12 +12 -5z=30 z=6

OpenStudy (anonymous):

You are very helpful!

OpenStudy (shaik0124):

thnk u

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