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olga2289 [7]
3 years ago
7

8.3z=4.1z+10.5 math fufifu

Mathematics
2 answers:
zzz [600]3 years ago
8 0
First subtract 4.1z on both side and you get 4.2z=10.5 then divide 4.2 on both side and you get z=2.5
77julia77 [94]3 years ago
5 0
First drag the positive 4.1z to the other side so you can subtract it from 8.3z
8.3z-4.1z = 10.5
8.3z-4.1z= 4.2z
4.2z=10.5
z=\frac{10.5}{4.2} (10.5 ÷ 4.2)
z=2.5 or 2 \frac{1}{2}

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