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Let no. Be 10x+y
x+y=8
10y+x-10x-y=18
9y-9x=18
Divide by 9
y-x=2
Solve eq.1 and 2 simultaneously
Y=5
X=3
No. 35
x+y=8
10y+x-10x-y=18
9y-9x=18
Divide by 9
y-x=2
Solve eq.1 and 2 simultaneously
Y=5
X=3
No. 35
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