Question

three times the sum of a number and 4 is the same as 18 more than the number what is the number?

Answer 1

Step-by-step explanation:

Let the number be x

Three times the number and 4 is

3×x+4=3x+4

18 more than the number is

18+x

As the two are same, we have

3x+4=18+x

or

3x−x+4−4=18+x−x−4

or

2x=14

or

2x×12=14×12

i.e.

x=7

Hence number is 7

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Answer 2

SOLUTION

GIVEN

Three times the sum of a number and 4 is the same as 18 more than the number

TO DETERMINE

The number

EVALUATION

Let the required number = N

The sum of N and 4 = N + 4

So by the given condition

3( N + 4 ) = N + 18

⇒ 3N + 12 = N + 18

⇒ 3N - N = 18 - 12

⇒ 2N = 6

⇒ N = 3

FINAL ANSWER

Hence the required number = 3

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