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ASHA 777 [7]
3 years ago
9

4z+12=7z-9 Please explain every step to solve

Mathematics
1 answer:
Blababa [14]3 years ago
4 0
4z+12=7z-9\ \ \ \ | subtract\ 7z\\\\
-3z+12=-9\ \ \ | subtract\ 12\\\\
-3z=-21\ \ \ | divide\ by\ -3\\\\
z=7\\\\
Solution\ is\ z=7.
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