Question

Nine less than a certain number is 3 more than twice the same number. The number is:

a) -2
b) 12
c) 2
d) -12
e) 6

Answer 1

Given : Nine less than a certain number is 3 more than twice the same number.  

To find : Number

Solution:

let say number = N

Nine less than Number = N - 9

3 More than Twice the number  = 2N + 3

N - 9  = 2N + 3

=> N = -12

-12 is the required number

Verification

nine less than -12  =  - 21

3 more than twice the same number = 2(-12) + 2 = -21

-21 = -21

Verified

Hence number is  - 12    for which Nine less than  is 3 more than twice the same number

option d is correct

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