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OpenStudy (anonymous):
please refresh me on substitution method: 8x-3y=8 7x+4y+60
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OpenStudy (anonymous):
8x-3y = 8 y = (8-8x)/-3 put that into either equation
OpenStudy (anonymous):
oh, I remember that. lemme see if I can work it out
OpenStudy (anonymous):
well, I've gotten it to x = 8+3y/8 and 7(8+3y/8) +4(8+3y/8) right so far?
OpenStudy (anonymous):
can someone help with my problem? please
OpenStudy (anonymous):
oops, except I just used an x in place of a y on the 4, so ignore that.
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