Question

the tens digit of 2 digit number is two less than twice of the unit digit product of two digits is 12 find the num​

Answer 1

Answer:

here u go..

Step-by-step explanation:

Let the two digit number be 10x+y where y is units digit and x is ten's digit.

It is given that-

x=2y+2    ...(1)

and 10y+x=3(x+y)+5 ....(2)

an solving equation (2) and (1)

10y+x=3x+3y+5

⇒7y−2x=5

∴7y−2(2y+2)=5

3y−4=5

3y=9

y=3

and x=2y+2=6+2=8

the two digit number is 83

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