2-9z
------- = 4/5
17-4z
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Answered by
5
Answer:
-2
Step-by-step explanation:
2-9z
------- = 4/5
17-4z
(2-9z) x 5 = (17-4z) x 4
10 - 45z = 68 - 16z
-29z = 58
z = -2
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