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Jeffrey Dunlap
Mathematics
30 September, 02:42
Solve fot z show all your work. 7z - 18 = 2z + 18
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Jeremy Harris
30 September, 02:50
0
z = 36/5
Step-by-step explanation:
7z - 18 = 2z + 18
Subtract 2z from each side
7z-2z - 18 = 2z-2z + 18
5z - 18 = 18
Add 18 to each side
5z-18+18 = 18+18
5z = 36
Divide by 5
5z/5 = 36/5
z = 36/5
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