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Mathematics 9 Online
OpenStudy (anonymous):

(-4) + (-7) =

OpenStudy (muzzack):

actually it is -11

OpenStudy (anonymous):

ya ^^

OpenStudy (muzzack):

you cannot say -4+-7=11 because this is not multiplication it is addition and it is not changing any property

OpenStudy (anonymous):

ya i forgot sorry @Muzzack

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