Question

pls solve the 3rd one .first to solve is the brainliest

Answer 1

Answer:

sorry I didn't know about this question

Answer 2

Let the number be xy

x+y = 12

10x + y + 18 = 10y + x

9x - 9y = -18

x - y = -2

from the two equations

x= 5 .

y = 7

so the number is 57

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