gisellebarrera gisellebarrera
  • 13-02-2017
  • Mathematics
contestada

Enter the y coordinate of the solution to this system of equations.

y = –2x + 9
–x – y = –1

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amazingmaddi
amazingmaddi amazingmaddi
  • 24-02-2017
-x-y=1
-y=1+x
y=-1-x

-1-x=-2x+9
-x=-2x+10
x=10

y=-1-10
y=-11
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