Math, asked by rupeshjana259, 4 months ago

5x + 40 upon 7x + 40 =25 upon 31

Answers

Answered by saubhagyasharmacool

1

Answer:

5x+40/7x+40=25/31

25(7x+40)=31(5x+40)

175x+1000=155x+1240

175x-155x=1240-1000

20x=240

x=240÷20

x=12

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