Question

subtract 7/2 from a number and multiply the result by 4. the result niw obtained is 2 times the same number. find the number

Answer 1

Answer:

Let the required number be x.

(x-(1/2))×1/2=1/8

Taking the 1/2 to RHS,

x-(1/2)=2×(1/8)

x-(1/2)=1/4

Taking -1/2 to RHS

x=(1/4)+(1/2)=(1/4)+(2/4)=3/4

Hence 3/4 is the required number

Step-by-step explanation:

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Answer 2

Answer:

8

Step-by-step explanation:

Let the number be X.

According to question,

(X -7/2)*4 = 2X

4X-16=2X

2X = 16

X = 8