Question

EXERCISE
from
6.
1. If 20 less than a number is -20. Find the
number​

Answer 1

Answer:

let number be x

then,

According to question

x-20= -20

x= -20+20

x = 0

hence

number is 0.

Answer 2

Answer:

let the number be x

according to the question,

x-20=-20

x= -20+20

x=0

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