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Mathematics 21 Online
OpenStudy (anonymous):

Which of the following ordered pairs represents the solution to the system given below? x - 4y = 7 5x + 9y = 6

Nnesha (nnesha):

@SolomonZelman can you explain it again

OpenStudy (anonymous):

?

OpenStudy (solomonzelman):

~ multiply the first equation times -5 ~ add the equations this will give you the y

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