Question

What should be added to 10 so that the sum becomes -20​

Answer 1

Answer:

-30

Step-by-step explanation:

let the number to be added be x

10+x=-20

x=-20-10

x=-30

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Answer 2

Answer:

let the number is x.

A/q

10+x= -20

x= -10-20

x=(-10)+(-20)

x= -30 answer

this is the answer of this question