Question

solve following by cross multiples method x+2y=6 3x-7y=-34

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Answer 1

Explanation:

(i) x+2y=6

=> 6(x+2y) = 1

=> 6x +12y = 1

=> 6x =1-12y

=> x= (1-12y)/6, y= (6x-1)/-12

(ii) 3x-7y =-34

=> -34(3x-7y) = 1

=> -102x +238y =1

=> x = (1-238y)/-102, y = (1+102x)/238y