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September 3, 2015

Homework Help: substitution method

Posted by anonymous on Wednesday, October 27, 2010 at 9:23pm.

Solve by substitution method please help me solve this. I do not know how to do this at all. The question is
3x+8y=33 and x=31-6y I know that I have to plug x into the first x like 3(31-6y)+ 8y = 33 but i do not know what to do from there.

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