A number consists of two digits the digits at the tens place is twice that of the digit at unit place if 18 is subtracted from the number the digit reveresed.Find the number using lenear equation(only one variable)
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A number consists of two digits the digits at the tens place is twice that of the digit at unit place if 18 is subtracted from the number the digit reveresed.Find the number using lenear equation(only one variable)
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Answer:
42
Step-by-step explanation:
number 10x+y
x=2y--->1)
10x+y-18=10y+x in this equation substitute 1)
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