simlify 9z - 6 = 5z - 18
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Answer:
z = –3
Step-by-step explanation:
9z – 6 = 5z – 18
9z – 5z = –18 + 6
4z = –(18 – 6)
4z = –12
z = –12/4
z = –(12/4)
z = –3
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