anna426white
anna426white
07-12-2016
Mathematics
contestada
solve by substitution
x=-3y-2
-4x-5y=8
Respuesta :
Аноним
Аноним
07-12-2016
x = -3y - 2
-4x - 5y=8
-4(
-3y - 2) -5y = 8
12y + 8 - 5y = 8
7y + 8 = 8
7y = 0
y = 0
x= -3(0) - 2
x = -2
solutions (-2,0)
Answer Link
MISTAFUZZY2000
MISTAFUZZY2000
07-12-2016
the solution is( -2,0) did that in my head
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