datlab21 datlab21

10-10-2018
Mathematics

contestada

find the sum −12(7z+4)+15(5z−15) can someone help me please?

Respuesta :

remotecontrolbrain remotecontrolbrain

10-10-2018

−12(7z+4)+15(5z−15)=-84z-48+75z-225=-9z-273

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shyannadiaz shyannadiaz

10-10-2018

-3(3z+91) is the answer

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