Mathematics, 18.02.2021 23:10, andrewrangel63

What is -5 + 7 I need too know this because I am in 7th grade for the 5th time and this is the unit that always made me fail. PLEASE HELP!!!

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What is -5 + 7 I need too know this because I am in 7th grade for the 5th time and this is the unit...