Marega101 Marega101

01-02-2017
Mathematics

contestada

Y= -1
-2x-y=3
Solve by substitution

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Аноним Аноним

01-02-2017

i think it might be 3.

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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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