In question #2, it says to solve the system by substitution.
x = -3y - 8
-2x - 4y = 9
Which is the correct equation after the substitution is made?
a 6y- 8 - 4y = 9
b -2(-3y - 8) - 4y = 9
c -2x = 4(-3y - 8) = 9
x=-3y-8_ -2x-4y=9
x=-3y-8_ -2(-3y-8)-4y=9...
So B) -2(-3y - 8) - 4y = 9 is the answer.
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Asked 1/31/2013 11:44:42 AM
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