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Mathematics 18 Online
OpenStudy (anonymous):

9a + 3b = -48 9a + b = 56 I need to solve by the eliminatin method

OpenStudy (anonymous):

subtstract the 2nd equation from the first what would you get

OpenStudy (anonymous):

8

OpenStudy (anonymous):

9a would go to zero but bs would leave 2b -48-56=-104 so now you 2b=-104 what do you think you would do now

OpenStudy (anonymous):

Should I add the right side now?

OpenStudy (anonymous):

I think I need to divide each side by 2?

OpenStudy (anonymous):

good so b=??

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