Question

x+y+2=6. x-y+2x=5. x-y-3x=-10​

Answer 1

x+y+2=6.

x+y=4 ---------------------------1

x-y+2x=5

3x-y= 5 --------------------- 2

x-y-3x= -10​

x-4y= -10 -------------------------3

x+y=4

3x-y= 5

------------

3x=9

x=3

y=1