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21-11-2018
Mathematics

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Peter says, "If you subtract 14 from my number and multiply the difference by -6, the result is -150." What is Peter's number?

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wegnerkolmp2741o wegnerkolmp2741o

21-11-2018

(n-14)*(-6)=-150

distribute

-6*n -14*-6 = -150

-6n +84 = -150

subtract 84 from each side

-6n +84-84 = -150-84

-6n = -234

divide by -6

-6n/-6 = -234/-6

n = 39

Peter's number is 39

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