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The following pair of linear equations 2x -3 y =8 and4 x –6 y =9 have ……… solutions. |
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Answer» Answer: 2x-3y=8 (1) x-6y=9 (2) (2)×2 2x-12y=18 (3) substract (3) from (1) 9Y= -10 y= -10/9 put y= -10/9 in EQUATION (1) 2x-3(-10/9)=8 2x+10/3=8 2x=8-10/3 2x=24-10/3 2x=14/3 x=14/6 x=7/3 |
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