Question

(a) What should be added to 10 so that the sum becomes -21? Please answer , Thank you​

Answer 1

Answer:

-31  

Step-by-step explanation:

let the no. be x

$10 + x = -21\\x = 10 + (-21)\\\\x = -31$

this shows that if we add -31 to 10 the result will be -31.

Hope it will help you,

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