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Mathematics 13 Online
OpenStudy (anonymous):

9x+7y=-12. x=1

OpenStudy (igreen):

9x + 7y = -12 Input 1 for 'x'. 9(1) + 7y = -12 9 + 7y = -12 7y = -21 y = -3

OpenStudy (igreen):

Get it?

OpenStudy (igreen):

You just use basic math for the rest..

OpenStudy (anonymous):

Ok so -3

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