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16-01-2020
Mathematics

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Four times a number is 21 more than the number

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Oluwatidamilare19 Oluwatidamilare19

18-01-2020

Answer:

The number is 7

Step-by-step explanation:

4 multiplied by a number(N)

4 X N

Is equal to 21 more than the number

21 + N

4 X N = 21 + N

4N = 21 + N

Subtract N from both sides

3N = 21

Divide by 3

N = 7

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