LaurenN14 LaurenN14
  • 07-11-2016
  • Mathematics
contestada

can someone tell me how to solve this

can someone tell me how to solve this class=

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MohamedSharif
MohamedSharif MohamedSharif
  • 07-11-2016
x squared+y=18
x+y=6. use elimination method.(+y and +y cancels 
x squared -x=x
18-6=12
x=12
for y take one of the above equations
x+y=6(replace x with 12
12+y=6(collect the like terms
y=6-12
y=-6

so x=12 and y=-6
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