Question

1. Rewrite the following using a letter.
(1) The sum of a certain number and 3.​

Answer 1

Answer:

?+3=0=3-0=3=?

Step-by-step explanation:

Answer 2

Answer:

the answer is x + 3.

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Step-by-step explanation:

let the number be x.

The sum of a certain number and 3 = x + 3