skylarandersenn skylarandersenn

23-10-2018
Mathematics

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The sum of two factors is 47. The greater number is 9 more than the smaller number. Which equation can be used to solve for the smaller number ? A) x+(x+9) =47 B) x-(x+9)=47 C) x(x+9)=47 D)x(x-9)=47

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OmegaAzzy OmegaAzzy

26-10-2018

The correct answer is A.

x + y = 47

y = 9 + x

We can plug the value of y into the original equation to solve for x.

x + (x + 9) = 47

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