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Mathematics 7 Online
OpenStudy (anonymous):

9y-4x=-30; x=8

OpenStudy (rath111):

9y-4(8)=-30 9y-32=-30 9y=-30+32 9y=2 9y/9=2/9 y=2/9

OpenStudy (rath111):

That what you need?

OpenStudy (rath111):

Guess so... :P

OpenStudy (anonymous):

just plug in 8 in the question! and solve for y

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