Math, asked by beenuverma94pegz8e, 1 year ago

solve the following system of equation by elimination method 5 x minus 7 Y is equal to 11 and 7 x + 4 Y is equal to 5

Answers

Answered by siddhimane0389

3

Step-by-step explanation:

5x-7y=11

7x+4y =5

multiple equation 1 by 4 &2 by 7

20x -28y =44

49x+28y=35

adding equation 1 and 2 ,we get

69 x=79

x=79 /69

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