ivanlopez563 ivanlopez563

10-11-2019
Mathematics

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Amina thinks of a number and subtracts 5/2 from it . She multiplies the result by 8 . The number noe obtained is 3 times the same number she thought of . What is the number

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aremylifetacos aremylifetacos

10-11-2019

Answer:

4

Step-by-step explanation:

(x/1-5/2) 8=3x

(2x-5/2) 8/1=3x

16x-40/2=3x

16x-40=6x

16x-6x=40

10x=40

x=40/10

x=4

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