A number is multipleed by 4.That the result added 12.The final number is 40.Whats is the original number?

the original number is 7

Step-by-step explanation:

Let the number be represented as X

so that when  multiplied by 4 gives 4x

which on addition to 12 gives

4x +12=40

4x=40-12

4x =28

x=28/4=7

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