Question

the sum of the digit of a two digit number is 7 if the digits are reversed the new number increased by 3 equal equals 4 times the original number find the original number

Answer 1

here is ur answer buddy

let the ones digit of the number be y and tens be x

original number=10x+y

by given data,

x+y=7=>(1)

reversed number=10y+x

by given data ,

10y+x+3=4{10x+y}
=>10y+x+3=40x+4y
=>39x-6y=3
=>13x-2y=1=>(2)

(1)×2=2x+2y=14
(2)×1=13x-2y=1

15x=15
x=1

x+y=7
1+y=7
y=6

so the original number is 16
hope it helps

Answer 2

here is the answer hope it will help you