1.

7x—~15y=2रे कड़ा 3

Answer»

7x-15y=2x+2y=3

(1)×1... 7x-15y=2(2)×7...7x+14y=21................................ 0-29y=-1929y=19y=19/29y=0.655x+2(0.655)=3x+1.310=3x=3-1.31=1.68



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