mammamia163 mammamia163

14-10-2019
Mathematics

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18y-18 + 6y = 180
What does this equal

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Sarah0404 Sarah0404

14-10-2019

Answer:

y = -16.5

Step-by-step explanation:

18y - 18 + 6y = 180

-18y - 18 + 6y (-18y) = 180

-18 - 12y = 180

+18 - 12y = 180 (+18)

-12y = 198

198/-11 = -16.5

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