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Mathematics 10 Online
OpenStudy (anonymous):

|3a+4| = |4a-8|

OpenStudy (anonymous):

12 or 12/7

OpenStudy (anonymous):

3a+4=4a-8, a=12 or 3a+4 =-(4a-8), 7a=12, a 12/7

hartnn (hartnn):

3a+4 =-(4a-8) gives a= 4/7

OpenStudy (anonymous):

now that I understand the method, I got 12 or 4/7

OpenStudy (anonymous):

thank you both

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