Seudónimo
Seudónimo
18-04-2018
Mathematics
contestada
plz help
no guessing
Respuesta :
choixongdong
choixongdong
18-04-2018
2x - y = 63 so y = 2x - 63
substitute y = 2x - 63 into 3y = x
3y = x
3(2x - 63) = x
6x - 189 = x
5x = 189
x = 189/5
y = 2(189/5) - 63
y = 63/5
answer
(189/5 , 63/5)
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