Seudónimo
Seudónimo
27-09-2020
Mathematics
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GEOMETRY HELP PLEASE
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GeorgePP
GeorgePP
27-09-2020
A line adds up to equal 180 degrees. And adjacent angles also add to equal 180 since they share a side on a line. So add them together and make them equal 180
9x - 7 + 8.5x + 4 = 180
17.5x - 3 = 180
17.5x = 183
x = 10.5
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