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OpenStudy (anonymous):
How many solutions are there to the following system of equations? 6x – 9y = –9 y=2/3x+1 A-0 B-1 C-2 D-infinitely many
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OpenStudy (141823):
I got the answer D Using substitution, I know y = 2/3x + 1 So I entered it into the equation 6x -9 (2/3x + 1) = -9 6x - 6x - 9 = -9 6x - 6x = 0 So, -9 = -9 Which is a true equation. Therefore, there are infinitely many solutions
OpenStudy (anonymous):
thank you, can you help me with another one
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