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Lina20 [59]
3 years ago
12

Add the two expressions. 3z−4 and 2z + 5

Mathematics
2 answers:
VladimirAG [237]3 years ago
8 0
3z-4 + 2z+5
3z+2z-4+5
5z+1
mihalych1998 [28]3 years ago
4 0
3z-4=2z+5
-2z -2z
---------------
z-4=5
+4 +4
-----------
z=9

Hope this helps!!
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