So our teacher gave us some things to work on, he said we should try to find out how to solve these tasks, but I'm the worst at math, I tried to think of something and failed. I'd appreciate some help!
Thank you in advance!
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Can you solve a similar system without parameters? If for example we let $a=b=1$ can you tackle this? – MathematicianByMistake Apr 29 '20 at 21:43
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The two equations represent 2 straight lines. A solution means that they meet. Geometrically, what do (a), (b) and (c) mean then? Can you "see" how a and b relate for parts for (b) and (c)? – Paul Apr 29 '20 at 22:03
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1A useful first step would be to multiply the second equation through by $18$. – Paul Sinclair Apr 30 '20 at 03:31
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Hey everybody, thank you for your help! I now have figured it out, thanks to your tips:) – Mel Apr 30 '20 at 12:04