campbellasthesp29ccy campbellasthesp29ccy
  • 30-03-2018
  • Mathematics
contestada

Simplify.

5z−5+2z−2.5−3z
Enter your answer in the box.

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mayyaaa mayyaaa
  • 30-03-2018
4z-7.5
(if you’re finding z then) :
4z-7.5=0
+7.5 +7.5
____________
4z=7.5
— ——
4 4

z=1.875
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