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OpenStudy (anonymous):
In the pair of equations bx-6y=18 and 2x - 3y=9, b is a constant. The system of two equations has an infinitely many solutions. What is the value of b? A) 3 B) 4 C) 5 D) 6
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OpenStudy (anonymous):
infinitely many solutions, meaning it has to be the same line with the same slope and same constant. what to do?
OpenStudy (anonymous):
ohhh i see
OpenStudy (texaschic101):
2x - 3y = 9 -- multiply this by 2 4x - 6y = 18 so your missing number is 4
OpenStudy (anonymous):
ohh im so sorry i get it now thanks
OpenStudy (texaschic101):
good to hear :)
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OpenStudy (anonymous):
I have a question. For any problems like this is general, how do you find what number to multiply?
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