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OpenStudy (anonymous):
Which value of x satisfies both -9x + 4y = 8 and -3x − y = 4? A. -1/7 B. -79 C. -8/7 D. -9 E. -4/3
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OpenStudy (solomonzelman):
you need to solve the system for x.
OpenStudy (solomonzelman):
your system is: \(\large\color{black}{ -9x + 4y = 8 \\ -3x - y = 4}\) steps: ~ multiply the second equation times 4. ~ add the equations
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