a two digit number is 7 more than three times the sum of the digits if x is the digit at the tens place and why is the digit at the units place and write an equation in X and Y
Answers
Answered by
1
Answer:
7X-2Y+7=0.....this is the required answer
Step-by-step explanation:
As X is at tens place and Y is at unit digit place....so the number is 10X+Y
According to the condition,
10X+Y+7=3(X+Y)
=)10X+Y+7=3X+3Y
=)10X-3X-3Y+Y+7=0
=)7X-2Y+7=0
Answered by
0
Answer:
7x-2y+7=0
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