roosterhoff roosterhoff
  • 19-11-2017
  • Mathematics
contestada

Solve the following system of equations

2x+y=11 and -x+2y=2

Respuesta :

vunderkid
vunderkid vunderkid
  • 19-11-2017
{2x+y=11
{-x+2y=2  //*2

{2x+y=11
+
{-2x+4y=4

5y=15
y=3
-x+6=2
x=4
Answer
x=4; y=3
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