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Mathematics 15 Online
OpenStudy (anonymous):

4x+2y=-22 3x-2y=-13

OpenStudy (j-cross18):

is this multple chioce ?

OpenStudy (j-cross18):

lol whats the choices

OpenStudy (j-cross18):

I mean like a b c is there for this one?

OpenStudy (jonnyvonny):

The easiest way to find where they intersect, is by using the elimination method: \[3y-2y=-13\]\[ 4x+2y=-22\]\[7x=-35\rightarrow x=-5\] Since you have an x-value, you can put that into any of the 2 equations to get the y-value:\[4x+2y=-22\rightarrow 4(-5)+2y=-22\rightarrow -20+2y=-22\rightarrow 2y=-2\] \[y=-1\] They intersect at (-5,-1).

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