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55x +67y =311 67x +55y =299

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55x +67y =311 67x +55y =299

Posted by Abhi Khatri 6 years, 8 months ago

CBSE > Class 10 > Mathematics

1 answers

Vivek Pal 6 years, 8 months ago

For this type of questions. We simple first + the both terms and then substract the both equation. So we get 2 short equations. After that solve the both equation by eliminating method or substitution method. This is only work when coffecient of x is equal to coffecient of y in 2nd equation and coffecient y in 1st equation is equal to coffecient of x in 2nd equation. Hope you like the answer.

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Posted by Hari Anand 7 months ago

CBSE > Class 10 > Mathematics