hannah1brown hannah1brown
  • 07-12-2016
  • Mathematics
contestada

Solve and classify the styat as: inconsistent, consistent and idependent, or consistent and dependent. 2x+y=8 and 3x-y=17

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texaschic101
texaschic101 texaschic101
  • 07-12-2016
2x + y = 8
3x - y = 17
---------------add
5x = 25
x = 25/5
x = 5

2x + y = 8
2(5) + y = 8
10 + y = 8
y = 8 - 10
y = -2

solution is (5,-2).....this is consistent and independent because it has one solution
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