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axjx70
axjx70 axjx70
  • 13-01-2015
  • Mathematics
Answered

what is x - 5y = 13 and 9y - x = -17 using elimination method

Verified Answer :

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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