Question

3. If 1 is added to three times a certain number, the sum is 13.find the number​

Answer 1

Answer:

let the number be x

3x+1=13

3x=12

x=4

Step-by-step explanation:

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Answer 2

Answer:

3x+1 = 13

3x = 13-1

3x = 12

x = 12/3

x = 4