3 years ago

Z – 9 = 27 a. 3 b. 16 c. 18 d. 36

2 answers:

7 0

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

5 0

z−9=27

Add 9 to both sides.

z−9+9=27+9

z=36

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