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Genrish500 [490]
3 years ago
12

What is the solution to the following system of equations? -5x-4y=-4 25x+20y=20

Mathematics
1 answer:
Tju [1.3M]3 years ago
5 0
Simplify
2nd one divide both sides by 5
5x+4y=4
hmm, seems familliar
times it by -1
-5x-4y=-4
same as other one

they are the same line
therefor the solution set is all the points on the line -5x-4y=-4 or y=(-5/4)x+1


solution set is alll points on y=(-5/4)x+1 or 5x+4y=4
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