Math, asked by Shamkant, 1 year ago

12x+13y=29 & 13x+12y=21

Answers

Answered by farahalrafeeq

By elimination method
13(12x+13y=29)
12(13x+12y=21)
156x+169y=377
-156x-144y=252
=25y=125
Y=5
Substituting value of y in sither of the equation
13x=-39
X=-3

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