alexvaz
alexvaz
11-05-2016
Mathematics
contestada
X+3y=15 -8x+3y=-12 how can you order a ladder
Respuesta :
apologiabiology
apologiabiology
11-05-2016
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
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