Question

if 1 is added to three times a certien number the sum is 13​

Answer 1

Answer:

Let's assume that the unknown number is x

1 + 3x = 13

3x = 13 - 1

3x = 12

x = 12 ÷ 3

x = 4

Hence, 1 + 3 × 4 = 13

Hope it helps

Answer 2

12

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