Question

(-15)-(-18)=3 how it is ciming

Answer 1

Answer:

Here's the explanation.

Step-by-step explanation:

We have,

(-15)-(-18)

→(-15) + (18). {-(-x) = +(x)}

→18 + (-15). {+(-x) = -(x)}

→18 - 15. {Communicative property} (I)

→3

{Note: In line marked (I), we have taken whole (-15) rather than just 15, so we can put a add sign (+) and so we can use the communicative property of addition.}

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