michgarola
michgarola michgarola
  • 01-05-2017
  • Mathematics
contestada

How many is?

21 = 12z - 15 ???

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Lisham
Lisham Lisham
  • 01-05-2017
the answer is going to be 3 
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Saraebaum
Saraebaum Saraebaum
  • 01-05-2017
z=3 is the answer because 15+21=36 and 36 divided by 12 = 3 so therefore, z=3 

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