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OpenStudy (anonymous):
Mrs. Waight graphed the following system of linear equations: 3x + y= -1 2x - y = -4 Which of the following is a solution of the system of equations? A. (-1, 2) B. (1, -2) C. (2, -1)
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OpenStudy (anonymous):
A is my choice.
OpenStudy (eric_d):
Do you know how to find value of x
geerky42 (geerky42):
A is correct.
OpenStudy (eric_d):
3x+y=-1 y=-1-3x 2x-y=-4 2x+4=y y=2x+4 -1-3x=2x+4 -1-4=2x+3x -5=5x x=-1 Yes, it is A
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