alyssaw411 alyssaw411

03-09-2017
Mathematics

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A superhero recently asked his nemesis how many cats she has. She answered with a riddle: "Seven-eighths of my cats plus five." How many cats does the nemesis have?

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bdowd557 bdowd557

03-09-2017

7/8x + 5 = x

7x/8 = x - 5
×8

7x = 8 ( x - 5 )

distribute 8

7x = 8x - 40
-7x and +40

40 = x

she has 40 cats

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