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Mathematics 8 Online
OpenStudy (anonymous):

3x-y=9 y=x+1

OpenStudy (anonymous):

solve for the systems of equations

OpenStudy (anonymous):

3x-(x+1) = 9 3x-x-1 = 9 2x = 9+1 x = 10/2 x = 5 3(5)-y = 9 15-y =9 -y = 9-15 -y = -6 y = 6

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