plz help asap

solve the stimultaneous equations
4x-y=13
x+y=2

Hello Guest!

$4x-y=13\\ x+y=2 \\ y=2-x\\ 4x-(2-x)=13\\ 4x-2+x=13\\ 5x=15$

$x=3$

$y=2-x\\ y=2-3$

$y=-1$

  !

Add the equations to get

5x = 15     then x = 3

x+y = 2     then y = -1