7 times a given two-digit number is equal to four times the number obtained by interchanging the digit write linear equations in two variables.
Answers
Answered by
2
Answer:
Step-by-step explanation:
7xy=4yx
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Answered by
1
Answer:
7(10x+y)=4(10y+x)
Step-by-step explanation:
x=ten's place digit
y=ones place digit
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