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OpenStudy (anonymous):
solve for y 5x-4y=8
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OpenStudy (bahrom7893):
-4y=-5x+8 divide everyting by -4: y=(5/4)x-2
OpenStudy (anonymous):
i got y=(8-5x)/-4 and idk what to do now
OpenStudy (bahrom7893):
that's correct too.
OpenStudy (anonymous):
but they are saying something about it can be simplified
OpenStudy (bahrom7893):
y=(5/4)x-2 that's that simplified
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OpenStudy (anonymous):
oh ok sorry thanks
OpenStudy (anonymous):
5x-4y=8,now this is a function on the graph.so let:x=0,then 5(0)-4y=8,-4y=8,y=-2.u can prove this by replacing y=-2&x=0
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