3 years ago

What is the sum of a number and 9?

Mathematics

2 answers:

ss7ja [257]3 years ago

8 0

Answer:

x+9

x --> the "number" (not determined)

9 --> what the problem gave

+ --> to put them together and form the sum

Kamila [148]3 years ago

5 0

Answer:

Step-by-step explanation:

Let,

The unknown number be = x

And ,

Given number to be added = 9

Hence, 

The sum occurred = x + 9 (sum of a number and 9)

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