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if 217x +131y =913 and 131x …

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if 217x +131y =913 and 131x +217y = 827 than value of x and y

Posted by Parvesh Thalor 9 months, 3 weeks ago

CBSE > Class 10 > Mathematics

1 answers

Piyush Barnwal 9 months, 3 weeks ago

first you need to add and subtract both the equations Then convert both into simplest form Then again add and subtract the new equations you get And you got your answer Remember this tricks only work when the coefficient of the variables are simultaneously same .and sign of coefficient for a variable same

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