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OpenStudy (anonymous):
Use substitution to solve the system of equations given by y = 2x and 5x + y = 7. A: (1, 2) B: (2, 4) C: (2, 3) D: (2, -3)
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OpenStudy (anonymous):
A: (1, 2)
OpenStudy (anonymous):
y=2x 5x+y=7 5x+(2x)=7 7x=7 x=1 so A.
OpenStudy (anonymous):
Thanks
OpenStudy (anonymous):
no prob
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