Math, asked by shabista04, 5 months ago

246+6a+9b/35+a+b=7.2

Answers

Answered by yukta4624

4

246+6a+9b/35+a+b=7.2

3(82+2a+3b)/35+a+b=7.2

82+2a+3b/35+a+b=7.2/3

82+2a+3b/35+a+b=72/30=12/5

5(82+2a+3b)=12(35+a+b)

410+10a+15b=420+12a+12b

15b-12b=420-410+12a-10a

3b=10+2a

3b-2a=10

i know that's all

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