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OpenStudy (anonymous):
Solve the system of equations 4x – y = 9 and 3x – 5y = 11. What is the x-coordinate of the solution? A. –2 B. –1 C. 2 D. 3
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OpenStudy (anonymous):
Can anyone please help me?
OpenStudy (cwrw238):
multiply first equation by -5 : -20x + 5y = -45 3x - 5y = 11 now add these to get equation in x solve this to get your answer
OpenStudy (cwrw238):
can you continue?
OpenStudy (anonymous):
is -17x = -34 correct?
OpenStudy (cwrw238):
yes
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OpenStudy (cwrw238):
so what is x?
OpenStudy (anonymous):
-2 ?
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