Question

twice a number decreased by 4 is written as :-​

Answer 1

Answer:

Step-by-step explanation:                                                                                     Let the number be x.

So, 2x - 4

PLS MARK IT AS BRAINLIEST

Answer 2

SOLUTION

TO DETERMINE

Twice a number decreased by 4 is written as

EVALUATION

Let the required number = n

Now twice the number

= 2 × n

= 2n

Now if 2n is decreased by 4 , then the number obtained = 2n - 4

FINAL ANSWER

Twice a number decreased by 4 is written as 2n - 4

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