Question

a number is 6 more than two times another number the sum of the two number is 20 find the numbers

Answer 1

Hey !!

Let First number be X.

Second number = 2X + 6.

Sum of two numbers = 24

X + 2X + 6 = 24

3X = 24 - 6

3X = 18

X = 6 .

First number = X = 6

And,

Second number = 2X + 6 = 2 × 6 + 6 = 12 + 6 = 18.

Answer 2

Let the first number = n ------1
Second number = 2n+6-------2.
Thier sum = 20 ------3

From eq 1, 2 & 3,

n+2n+6 = 24
=> 3n = 24-6
=> n = 18/3
=> n = 6

Hence,

First number = n = 6

Second number = 2n+6 = 2x6+6 = 18

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