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inna [77]
3 years ago
10

I need help!! on 9 and 10 plzz help

Mathematics
1 answer:
Alexxandr [17]3 years ago
6 0

9.      1/3+(x+20)+(x-10)+40=360           10.   1/2x+1/2x+(x-15)+(x-25)+100=540

          1/3+2x+50=360                                  4x+60=540

          (3/1) 1/3+2x=300(3/1)                           4x/4=480/4

          2x=300                                                X=120

           ————

               2

W=150

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