plezz answer the pinned question fast
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x+y=9
9(10x+y)=2(10y+x)
90x+9y=20y+2x
88x=11y
we know x=9-y
so 88(9-y)=11y
8(9-y)=y
72-8y=y
72=9y
so,y=8
and x=9-y
x=1
so the number is 18.
HOPE IT HELPS
..
9(10x+y)=2(10y+x)
90x+9y=20y+2x
88x=11y
we know x=9-y
so 88(9-y)=11y
8(9-y)=y
72-8y=y
72=9y
so,y=8
and x=9-y
x=1
so the number is 18.
HOPE IT HELPS
..
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