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Alexandra [31]
3 years ago
9

Five times a number is the same as two times a number added 21

Mathematics
1 answer:
Vera_Pavlovna [14]3 years ago
7 0

Answer:

Our number is 7.

Step-by-step explanation:

We also know that it's 2x + 21 = 5x.

Now we solve.

21 = 5x - 2x

21 = 3x

7 = x

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