Marega101
Marega101
01-02-2017
Mathematics
contestada
Y= -1
-2x-y=3
Solve by substitution
Respuesta :
Аноним
Аноним
01-02-2017
i think it might be 3.
Answer Link
miam333
miam333
01-02-2017
x = -1
(work)
-2x - (-1) = 3
-2x + 1 = 3
-1 -1
-2x = 2
÷ -2 ÷ -2
x = -1
Hope this helps!
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