Why is the additive inverse of a - b the expression -a + b?
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Originally Posted by harpazo Why is the additive inverse of a - b the expression -a + b? This post begs the question: Do you know what additive inverse means? Does $(a-b)+(-a+b)=0~?$
Originally Posted by Plato This post begs the question: Do you know what additive inverse means? Does $(a-b)+(-a+b)=0~?$ An additive inverse is an expression that when added to another expression leads to 0.