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riadik2000 [5.3K]
4 years ago
10

Z – 9 = 27 a. 3 b. 16 c. 18 d. 36

Mathematics
2 answers:
labwork [276]4 years ago
7 0
Z - 9 = 27   (the opposite of subtraction is addition, so you have to add 9 to each side)

Z - 9 = 27
<u>   +9    +9 </u>
Z = 27 + 9

Z = 36
sergey [27]4 years ago
5 0
 z−9=27

Add 9 to both sides.

z−9+9=27+9

z=36

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