4 years ago

A certain number plus five is equal to double the number

Mathematics

2 answers:

aksik [14]4 years ago

4 0

Answer:n+5=2n+12, n=-7

Step-by-step explanation:

Arada [10]4 years ago

4 0

Let the certain number is x.
According to question,
x + 5 = 2x + 12
Or, 2x - x = 5 - 12
Therefore, x = -7

Hence, the required certain number is -7.

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