3 years ago

The sum of 13 and 3 times a number is 31. What is the number?

Mathematics

2 answers:

laiz [17]3 years ago

8 0

Answer:

Step-by-step explanation:

yeah-ya ............... right?

klasskru [66]3 years ago

5 0

Answer: 6

Step-by-step explanation:

13 + 3 × n = 31

n represents unknown number

13 + 3n = 31

-13 -13

3n = 18

/3 /3

n=6

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