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Mathematics 7 Online
OpenStudy (anonymous):

Solve the following system of equations by the substitution method. 8x = 2y + 5 3x = y + 7 What is the solution set? {(-41/2, -9/2)} {(-9/2, -41/2)} Ø

Parth (parthkohli):

http://openstudy.com/study#/updates/4fa7aa68e4b029e9dc388281 Here is my tutorial. If you still don't get it, then report back to me.

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