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Mathematics 7 Online
OpenStudy (anonymous):

please help me? will medal and fan <3

OpenStudy (anonymous):

http://gyazo.com/228b2d26379c4e996d13e8664a20945d

OpenStudy (anonymous):

@KaylaRdz0405 do you know how to do this ?

OpenStudy (kaylardz0405):

sorry no :(

OpenStudy (anonymous):

s(x)=2x-2, so what's s(-1)?

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