Question

if we add 7 to twice a number,we get 49.find the number
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Answer 1

Answer:

21

Step-by-step explanation:

LET THE NO. BE X:

TWICE A NO. IS 2X

ACCORDING TO THE QUESTION:

       2X+7=49

    2X=42

        X=42/2

       X=21

Answer 2

Answer:

hi mate your answer is 21

Step-by-step explanation:

scores the number be x

has given in statement that add 7 in twice the number to get 49

ATQ

2x+7=49

2x=49-7

2x=42

x=42/2

x=21

the required number is 21