Question

Solve:
y=3x+5
x-y=-3

Answer 1

your second equation can be rewritten as x=y-3.
substitute that into your first equation y=3x+5
y=3(y-3)+5
y=3y-9+5
y=3y-4
-2y=-4
y=2
then substitute 2 into your equation for y and solve for x
2=3x+5
-3=3x
x=-1

Answer 2

Thank You rorytsm!!!

Answer 3

no problem