tracyrooey12 tracyrooey12

16-09-2018
Mathematics

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find the value of y when 10x - 18y = 84; x = 6

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RainbowRey RainbowRey

16-09-2018

10x - 18y = 84 6=x substitute 6 for x so its 6 * 10

60 - 18y = 84 subtract 60 from both sides

-18y = 24 divide by -18

y = -1 1/3

check!

60 + 24 = 84

84 = 84

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