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Mathematics 20 Online
OpenStudy (anonymous):

solve x-3 = 15 for x

OpenStudy (anonymous):

x=18 You can check your work by adding 15 and 3.

OpenStudy (anonymous):

is it 18 or -18?

OpenStudy (anonymous):

Just 18.

OpenStudy (anonymous):

thanks a lot! :) if i dont pass this test im going to flunk my senior year :(

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