4. 3x + y = 7 and 4x – y = 7 solve by graphical method using graph – InterviewSolution

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4. 3x + y = 7 and 4x – y = 7 solve by graphical method using graph

Answer»

Answer:

3x+y=7

3x=7-y

X=7-y/3

put any VALUE of y and you will GET x and y value

4x-y=7

4x=7+y

x=7+y/4

put y value and SIMPLIFY and you will get x and y value

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