A positive number is 7 time another number if 15 is added to added to both the number than one of new number becomes 5/2 times the other number what is the number
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x=17y
x-17y=0
5x-85y=0 multiply 5.....a
5/2(x+15)=17y+15
5x+75=34y+30
5x-34y= -45....b
Eq. b-a
5x-34y=-45
5x-85y=0
51y=-45
y=-45/51= -15/17
5x=-45+34y=-45+34×(15/17)
5x=-45+30=-15
x= -15/5= -3
x-17y=0
5x-85y=0 multiply 5.....a
5/2(x+15)=17y+15
5x+75=34y+30
5x-34y= -45....b
Eq. b-a
5x-34y=-45
5x-85y=0
51y=-45
y=-45/51= -15/17
5x=-45+34y=-45+34×(15/17)
5x=-45+30=-15
x= -15/5= -3
Nitin2311:
Sorry 7 ko 17 likh dia
Ye ans galat he
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