if (5 1/3,y )is a solution to the equation 5x-4y-20=0, what is the value of y

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1 Answer

5x-4y=20

so 4y=5x-20

or y=(5/4)x -5

evaluate at x=5 & 1/3

y=(5/4)*(16/3) -5

=(80/12)-5

=6.666666666...-5

=1.666666666...
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