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Solve 217x+131y =913. 131x+217y=827. Please explain me how to solve this ??? |
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Answer» First add both the eq. u will get x+y=5 and then subtract the eq. you will get x-y=1. and then you could solve Firstly aap in dono equations ko 1 baar add kro...or ek baar in dono eqn ko subtract kro...theek hai.Jb do eqns mil jye to use solve kr lo X=3 and y=2 |
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