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Mathematics 19 Online
OpenStudy (anonymous):

simplify each expression : 1.) 4(x+y)-2(x-9) + 4 2.) (9n^4)^1/2

OpenStudy (anonymous):

1.) 4(x+y)-2(x-9) + 4 4x+4y-2x+18+4 2x+4y+4

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