jewerls
jewerls
04-03-2017
Mathematics
contestada
X=-6+y x-3y=28 substitution
Respuesta :
wolf1728
wolf1728
04-03-2017
A) x=-6+y
B) x-3y=28
We can substitute equation A into B
B) -6 + y -3y=28
B)
-2y = 34
y = -17
x = -23
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