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Mathematics 18 Online
OpenStudy (anonymous):

f(x) = 3x-8 4x+20

jhonyy9 (jhonyy9):

3x-8=0 --- 3x=8 --- x=8/3 4x+20=0 --- 4x=-20 --- x=-20/4 =-5 x=8/3 x=-5

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