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OpenStudy (anonymous):
How many solutions does the system of equations have? X=6Y+6, 9X+3Y=18
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OpenStudy (amoodarya):
put x=6y+6 in second equation to find y
OpenStudy (amoodarya):
9( 6Y+6)+3Y=18 54y+54+3y=18 /3 18y+18+y=6 19y=6-18 y=-12/19 so has one solution
OpenStudy (anonymous):
That's the same thing I got. Thanks
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