Question

x + y = 7 , x - y = 5 find the solution in cross multiplication method . ​

Answer 1

Answer:

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Answer 2

Ok sir Let's Start

=> X+Y=7 ,X-Y=5

add both equations

=> 2x=12

=>x=6

put value in eq 1

=>6+Y=7

=> Y=7-6

=> Y=1

hence X=6, Y=1