
The number (x) in: "1 more than twice a number is 411" 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 1, you get 411.
To solve this, you first write the problem as an algebra equation as follows: 2x + 1 = 411
Then you solve the equation by subtracting 1 from both sides, and then divide both sides by 2. Here is the math to illustrate better:
2x + 1 = 411
2x + 1 - 1 = 411 - 1
2x = 410
2x/2 = 410/2
x = 205
Answer = 205
The answer above is correct, because twice 205 is 410, and 1 more than 410 is in fact 411.
More Than Twice a number
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1 more than twice a number is 412
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