3 years ago

2x+y=8 x+y=4 Where do they intersect at?

1 answer:

5 0

Answer:

${ \bf{2x + y = 8 - - - (a)}} \\ { \bf{x + y = 4 - - - (b)}} \\ a - b : \\ x = 4 \\ 4 + y = 4 \\ y = 0 \\ { \tt{they \: intersect \: at \: (4, \: 0)}}$

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