Question 177968
y=x+4
3y-5x=6
:
3(x+4)-5x=6
:
3x+12-5x=6
:
-2x=-6
:
{{{highlight(x=3)}}}
:
{{{highlight(y=3+4=7)}}}
:
this system is consistent(has a solution)
:
this system is independent(has only one solution)