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Mathematics 12 Online
OpenStudy (anonymous):

b-12=-8

OpenStudy (a1234):

Do you know how to do it @alibaby ?

OpenStudy (anonymous):

4=b

OpenStudy (a1234):

Hint: inverse operation

OpenStudy (anonymous):

hold on im drawing the answer choices it's line graps

OpenStudy (anonymous):

-8+12=4 4-12=-8 b=4 your answer is b=4

OpenStudy (anonymous):

thanks for the medal :D

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