axjx70
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  • 13-01-2015
  • Mathematics
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what is x - 5y = 13 and 9y - x = -17 using elimination method

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Brandtley12
Brandtley12 Brandtley12
  • 13-01-2015
x +(-5y)=  13
-x+  9y =(-17)
0+4y=-4
    4    4
y=1
x+-5(1)=13
x-5=13
 +5 +5
 x=18
  y=1
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