LaurenN14
LaurenN14
07-11-2016
Mathematics
contestada
can someone tell me how to solve this
Respuesta :
MohamedSharif
MohamedSharif
07-11-2016
x squared+y=18
x+y=6. use elimination method.(+y and +y cancelsÂ
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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