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19-06-2020
Physics

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when 12 is added to a certain number and the result is multiplied by 4. the final result is 60.find the number.

Respuesta :

19-06-2020

Answer:

3

Explanation:

let the number be x

perform and forming expression

12 is added

=12 + x

4 is multiplied to expression

= 4 (12 + x)

result is 60

equating

4(12 + x) = 60

48 + 4x=60

4x = 60-48

4x = 12

x= 12/4

x= 3

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