plzzz ans.....Simultaneous equation......Thnk you
Attachments:
Answers
Answered by
1
units digit = x (say)
tens digit= 3x
no= 3x *10 + x= 31x
atq 31x+x=32
>32x=32
x=1
gives no is 31
tens digit= 3x
no= 3x *10 + x= 31x
atq 31x+x=32
>32x=32
x=1
gives no is 31
Answered by
0
Hi !
Unit digit = x
ten's digit = y = 3x
Let the number be 10y +x
Given , the sum of the number and unit digit = 32
(10y + x ) + x = 32
y = 3x
10 × 3x + x + x = 32
30x + 2x = 32
32x = 32
x = 1
y = 3x
y = 3
y = 3 , x = 1
the number is :-
10y + x
10×3 + 1 = 30 + 1 = 31
the number is 31
Unit digit = x
ten's digit = y = 3x
Let the number be 10y +x
Given , the sum of the number and unit digit = 32
(10y + x ) + x = 32
y = 3x
10 × 3x + x + x = 32
30x + 2x = 32
32x = 32
x = 1
y = 3x
y = 3
y = 3 , x = 1
the number is :-
10y + x
10×3 + 1 = 30 + 1 = 31
the number is 31
Similar questions