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2 years ago

13

Prove: if a+c=b+c, then a=b.

1 answer:

larisa86 [58]2 years ago

7 0

Statement 1: a+c=b+c
Statement 2: a+c+(-c)=b+c+(-c)
Statement 3: a+[c+(-c)]=b+[c(-c)]
Statement 4: a+0=b+0
<span>Statement 5: a=b. </span>
<span>What is the reason for Statement 2?

A.) Property of opposites

This property is where a number and its opposite are called additive inverses. The sum of these numbers is equal to 0.</span>

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