3 years ago

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

————

W=150

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