mathisawsome123
22.08.2019 •
Mathematics
When i double my number and add 8 i get my number + 12 what is my number
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Ответ:
The first thing we must do for this case is to define variables.
We have then:
x: unknown number
We now write the equation that models the problem:
From here, we clear the value of x.
The unknown number is equal to 4.
The number is:
Ответ:
5x5x5= 125
6x6x6=216
7x7x7=343
8x8x8=512