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29-03-2021
Mathematics

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If you take a number, times by 5 then add 7. You get the same as if you took the number, times by 9 then add 3. What is the number?

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zack28030 zack28030

29-03-2021

Answer: The number is 1

Step-by-step explanation:

5x + 7 = 9x + 3

5x + 7 - 5x = 9x - 5x + 3

7 = 4x + 3

7 - 3 = 4x + 3 - 3

4 = 4x

x = 1

Check work:

5(1) + 7 = 12

9(1) + 3 = 12

It works

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