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OpenStudy (anonymous):
Solve this system of linear equations. 9x=1-4y -7x=-7+4y
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OpenStudy (anonymous):
x = -3 y = 7
OpenStudy (anonymous):
add both the equations
OpenStudy (bahrom7893):
Here are the steps: 4y = 1-9x -7x = -7 + 1 - 9x 9x-7x = -6 2x = -6 x = -3 4y = 1-9*(-3) 4y = 1+27 4y = 28 y=7
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