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Z – 9 = 27 a. 3 b. 16 c. 18 d. 36
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1 vote
Z – 9 = 27
a. 3
b. 16
c. 18
d. 36

User Mapping Dom
by
9.0k points

2 Answers

4 votes
Z - 9 = 27 (the opposite of subtraction is addition, so you have to add 9 to each side)

Z - 9 = 27
+9 +9
Z = 27 + 9

Z = 36
User Gravitate
by
7.7k points
3 votes
z−9=27

Add 9 to both sides.

z−9+9=27+9

z=36

User Taukheer
by
7.5k points
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