Math, asked by kamlesh2003, 1 year ago

3x+4y =19 3x+8y=80 solve simultaneous equation

Answers

Answered by vivek583

0

3x+4y=19
3x+8y=80
subtract both equations
=-4y=-61=y=-61/-4=61/4.subtute y in equation 1
3x+4×61/4=19=3x+61=19=3x=-42=x=-16

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