
The number (x) in: "4 more than twice a number is 864" 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 864.
To solve this, you first write the problem as an algebra equation as follows: 2x + 4 = 864
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 = 864
2x + 4 - 4 = 864 - 4
2x = 860
2x/2 = 860/2
x = 430
Answer = 430
The answer above is correct, because twice 430 is 860, and 4 more than 860 is in fact 864.
More Than Twice a number
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4 more than twice a number is 865
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