dlacrosse5030
dlacrosse5030 dlacrosse5030
  • 10-12-2019
  • Mathematics
contestada

SOLVE THE SYSTEM OF EQUATIONS BY USING SUBSTITUTION.
y = -x - 6
y=x-4​

Respuesta :

selin65 selin65
  • 10-12-2019
Put X-4 to where Y is in the first equation. So;
X-4= -X-6
Then solve to find X;
Add 6 to both sides;
X+2=-X
Subtract X from both sides;
2=-X-X
2= -2X
Divide both side by -2;
-1=X
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