parisisbae025
parisisbae025
09-11-2017
Mathematics
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SOMEONE PLEAAAAAAAAAAAASE HELP
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choixongdong
choixongdong
09-11-2017
4x+5 = 8x - 11
4x - 8x = -11 - 5
-4x = -16
x = 4
4x+5 = 4(4) +5 = 21
8x - 11 = 8(4) - 11 = 21
<RST = 21 + 21 = 42
answer
<RST = 42 degrees
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