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OpenStudy (anonymous):
solve using the substitution method 4x=y=20 2x+9y=10
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OpenStudy (anonymous):
Is that tiped right?
OpenStudy (anonymous):
Because this system has no solutions
OpenStudy (anonymous):
y=20-4x 2x+9(20-4x)=10 2x+180-36x=10 -34x=-170 170=34x x=5 y=0
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