xTFx-Hoster wrote

Se7NeRvE wrote y=-x+5
x+y=5

so x+-x+5=5 (replacing y with previous solution)

so then you balance it
x+-x=5-5
x-x=0

only answer possible is x&y are both equal to 0


hope that helped

do you have aim bro? you really helpd!

Thanks, i just finished maths GCSE and got A*, very happy with it and im glad to help, any other questions you need?