
The number (x) in: "4 more than twice a number is 666" is what we are solving here.
In other words, you are looking for a number (x) that if you multiply it by two (same as twice) and then add 4, you get 666.
To solve this, you first write the problem as an algebra equation as follows: 2x + 4 = 666
Then you solve the equation by subtracting 4 from both sides, and then divide both sides by 2. Here is the math to illustrate better:
2x + 4 = 666
2x + 4 - 4 = 666 - 4
2x = 662
2x/2 = 662/2
x = 331
Answer = 331
The answer above is correct, because twice 331 is 662, and 4 more than 662 is in fact 666.
More Than Twice a number
Go here to solve a similar algebra problem.
4 more than twice a number is 667
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