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Mathematics 15 Online
OpenStudy (anonymous):

is (-2,-7) a solution to the system of equations? 2x-y=3 x+y=-9

OpenStudy (anonymous):

Just plug in the numbers in the equation and see if the equal the number on the other side of the equal sign

OpenStudy (anonymous):

Which if you do (-2,-7) is a solution to the equations.

OpenStudy (anonymous):

yes

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