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erastovalidia
[21]
3 years ago
15
Z + 81 = 9z -7 help solve
Mathematics
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2
answers:
romanna
[79]
3 years ago
6
0
Z + 81 = 9z - 7
-9z -9z
-8z + 81 = -7
-81 -81
-8z = -88
z = 11
Send
Ede4ka
[16]
3 years ago
5
0
8z-7=81
8z=88
z=11
Have a good day!
:0)
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