aprilcastaneda08
aprilcastaneda08 aprilcastaneda08
  • 26-08-2016
  • Mathematics
contestada

Ok I need help is this correct? I tried but I gave up.

Ok I need help is this correct I tried but I gave up class=

Respuesta :

Roy75 Roy75
  • 26-08-2016
x+y=12
8x+10y=102

8x+8y=96
8x+10y=102 _
-2y= -6
y=3

x+y=12
x=12- 3
x=9

or
8x+10y=102
8x+30=102
8x=102-30
8x=72
x=9
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