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goblinko [34]
3 years ago
15

The sum of 9 and a number is less than 12. Which of the following

Mathematics
2 answers:
Pavlova-9 [17]3 years ago
4 0

Answer:

x + 9  < 12

Step-by-step explanation:

Let the unknown number = x

Sum of 9  and x  :  x + 9

x + 9  < 12

Fofino [41]3 years ago
3 0

Answer:

9+x<12

Step-by-step explanation:

add 9 to an unknown number.

9+x

use the < less than symbol (instead of an equal sign) and write 12.

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