I dunno wat lader yo talking about, go to home depot or something
I can solve th system of equaitons though
multiply second equation by -1 and add to toerh equaiton
8x-3y=12
x+3y=15 +
9x+0y=27
9x=27
divide both sides by9
x=3
sub back
x+3y=15
3+3y=15
minus 3
3y=12
divide 3
y=4
(3,4) is solution