13-01-2015
Mathematics

contestada

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

Respuesta :

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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