Question

1. Write the following using a letter
1. The sum of a certain number and 3.
Ans:
2. The number obtained by subtracting 11 from another number​

Answer 1

..........hope it helps........

Answer 2

Answer:

1) let the certain no's be n

so answer is n+3

2) let the number be X,

another number be Y

so answer is X= Y-11

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