Question

Solve the following system of equations

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

Answer 1

{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