Question

*If the sum of two numbers is 12 and one number is x, then to obtain the other number which of the following option is right?*

1️⃣ 12+ x
2️⃣ 12- x
3️⃣ x + 12
4️⃣ x - 12​

Answer 1

Question :- If the sum of two numbers is 12 and one number is x, then to obtain the other number which of the following option is right?

1) 12+ x

2) 12- x

3) x + 12

4) x - 12

Solution :-

Let us assume that, the second number is y .

we have given that,

• sum of both numbers = 12
• first number = x .

then,

→ first number + second number = 12

→ x + y = 12

→ y = (12 - x) (option 2) (Ans.)

Hence, the other number will be (12 - x) .

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Answer 2

SOLUTION

TO CHOOSE THE CORRECT OPTION

If the sum of two numbers is 12 and one number is x, then to obtain the other number which of the following option is right

1. 12 + x

2. 12 - x

3. x + 12

4. x - 12

EVALUATION

Here it is given that the sum of two numbers is 12 and one number is x

So First number = x

Now we have to find the second number

So by the given condition

First number + Second Number = 12

$\sf{ \implies \: Second \: Number = 12 - First \: number }$

$\sf{ \implies \: Second \: Number = 12 - x \: \: ( \because \: First \: number = x \: ) }$

FINAL ANSWER

Hence the correct option is

$\boxed{ \sf{ \: 2. \: \: \: \: 12 - x \: \: }}$

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