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If 9 is added to twice of a certain number, the result is 57, what is that number?
- a)38
- b)24
- c)46
- d)84
Correct answer is option 'B'. Can you explain this answer?
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Verified Answer
If 9 is added to twice of a certain number, the result is 57, what is ...
Let's denote the unknown number as "x." The problem states that if 9 is added to twice the number, the result is 57. We can set up an equation to represent this situation:
2x+9 = 57
Now, solve for x:
Subtract 9 from both sides of the equation:
2x = 48
Divide both sides by 2:
x = 24
So, the unknown number is 24.
Most Upvoted Answer
If 9 is added to twice of a certain number, the result is 57, what is ...
Problem Analysis
To solve this problem, we need to find a number that satisfies the given condition. Let's assume the number as 'x'. According to the problem, if we add 9 to twice the number, the result is 57. So, we can write the equation as:
2x + 9 = 57
Solution
To find the value of 'x', we can solve the above equation using algebraic operations.
Adding -9 to both sides of the equation:
2x + 9 - 9 = 57 - 9
2x = 48
Now, we can isolate 'x' by dividing both sides of the equation by 2:
2x/2 = 48/2
x = 24
Therefore, the number that satisfies the given condition is 24.
Answer
The correct answer is option B) 24.
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If 9 is added to twice of a certain number, the result is 57, what is that number?a)38b)24c)46d)84Correct answer is option 'B'. Can you explain this answer?
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