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Mathematics 9 Online
OpenStudy (17bohtal):

Which equation is an identity? (a) 3w+8-w=4w-2(w-4) (b) 7m-5=8m+7-m (c) 9-(2y+3)=-2y-6 (d) -3y+3=-3y-6

OpenStudy (anonymous):

a

OpenStudy (17bohtal):

Thank you!

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