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Mathematics 7 Online
OpenStudy (anonymous):

Select the appropriate restrictions for the variables 5a 20/ a+4

OpenStudy (usukidoll):

can't be -4 because the denominator would be 0

OpenStudy (anonymous):

thank you very much. this class is killing me. however im homeschooled so asking for help can be hard

OpenStudy (paki):

-4 in the denominator will lead the situation to infinity... so it should not be (-4)... @blackwidow~slytherin

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