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Akimi4 [234]
3 years ago
9

Help with this!!plz. Asap

Mathematics
1 answer:
gizmo_the_mogwai [7]3 years ago
5 0
Hey there! :D

So, we know that there are 3 z's and 3 6's. 

3*z= 3z

6*3= 18 

3(z+6) <== equivalent expression 

3z+18 <== equivalent expression

z is by itself. It shouldn't combine. It should stay the same. 6 as a unit is separate from z. 

Choices "B" and "E" are correct.

I hope this helps!
~kaikers
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