If 21 is added to four times a number

If 21 is added to four times a number, the result is 57. What is the number?

Quiz:

If 21 is added to four times a number, the result is 57. What is the number?

Answer:

9

Explanation

Let’s solve this mathematical puzzle together! We have a situation where adding 21 to four times a number gives us a total of 57. The challenge here is to find that elusive number.

To crack this riddle, we’ll need to break it down into simple equations. Let’s represent the unknown number with the variable “x”.

According to the problem, we can translate the given information into the equation: 4x + 21 = 57.

To find the value of “x”, we need to isolate the variable. Let’s do some math magic!

First, we’ll subtract 21 from both sides of the equation to get rid of the constant term. This gives us: 4x = 57 – 21.

Simplifying further, we have: 4x = 36.

Now, to determine the value of “x”, we’ll divide both sides of the equation by 4. This gives us: x = 36 ÷ 4.

Doing the math, we find that x = 9.

So, the number we were searching for is 9!

Congratulations if you arrived at the correct answer. You’ve proven your mathematical prowess. And if you didn’t, no worries! Solving these types of problems can be tricky, but with a little practice and persistence, you’ll become a math whiz in no time.

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