Math, asked by sahilochani932, 1 year ago

plzz solve this sum
the chapter name is -pair of linear equation in two variables

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Answers

Answered by sijasubbiah
0
Hey

Here is your answer,

let the digit of ten's place be x and ones place be y.

x+y =13---------eq.1
(10y+x)-(10x+y)=9------------eq.2

9y-9x=9
-9x+9y=9
9(-x+y)=9
-x+y=1

from the two equations ,

2y=14
y=7

Substituting the value of y ,

x+y=13
x=13-7=6
the number is 67

Hope it helps you!
Answered by tejasri2
0
here is ur answer

i hope it helps u

plz brainliest
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