Question

What should be added to - 724 to obtain - 316. give step by step solution of this question​

Answer 1

Answer: the option d (408) is correct

Step-by-step explanation:

let the number we don't know be x

then,

-724 + x = -316

x = -316+724

x= 408

hence the number which must be added -724 is 408

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