Posted by sherri on Tuesday, January 13, 2009 at 6:31pm.
the simplest way for this example is to use substitution.
sub x = -2y into 3x+4y = -2
3(-2y) + 4y = -2
-6x + 4y + -2
-2y = -2
y = 1
then since x = -2y
x = -2(1) = -2
so u simplify them and divide and basically is the answer.
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