Question

chapter is playing with numbers please answer me​

Answer 1

Answer:

45

Step-by-step explanation:

4+5=9

9-5=4

9-4=5

so 45 is your answer

Answer 2

Answer:

54

Step-by-step explanation:

let units place be X

tens place be y

acc to question X+y=9-->eqn1

10x+y-9=10y+x

9x-9y=9

x-y=1-->eqn2

adding eqn 1 and 2

X=5

y=4

number is 54

hope this helps

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