Question

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 ​

Answer 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

Answer 2

Answer:

7x-2y+7=0

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