Q1 of 34 Page 165

Use the principles above, compute the following:

–10 + 5

Using the principle, for any two positive numbers x,y, we write,

-x + y = y-x


-10 + 5 can be written as,


⇒ 5-10


⇒ 5-10 = -5


Note: The sign of bigger number will come in the result.


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