yangmaisee17 yangmaisee17
  • 22-07-2016
  • Mathematics
contestada

find the common solution to the system of linear equations.
y=x+4
y+1=2x

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Ckaranja
Ckaranja Ckaranja
  • 22-07-2016
y-x=4
y-2x=-1
----------
x=5
Replacing for value of x;
y-5=4
y=9
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