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OpenStudy (anonymous):
Workout in substitution method 2a+4b=-24 a=20-2b. list as no solution or infinite let me know if I have the sets correct.
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OpenStudy (anonymous):
I have -14,1 and no solution
OpenStudy (anonymous):
\(2a+4b=-24\) \(a=20-2b\) If we divide the first equation by 2 we have \ \(a+2b=-12\) and the second equation is \(a+2b=20\) so there is no solution..
OpenStudy (anonymous):
thanks
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