|How to save freemind. or solved problems click [http://karnatakaeducation.org.in/KOER/en/index.php/Simultaneous_Linear_Equations#Problem_.235 here]
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|#How to save freemind. or solved problems click [http://karnatakaeducation.org.in/KOER/en/index.php/Simultaneous_Linear_Equations#Problem_.235 here]#Step