
The number (x) in: "5 more than twice a number is 687" 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 5, you get 687.
To solve this, you first write the problem as an algebra equation as follows: 2x + 5 = 687
Then you solve the equation by subtracting 5 from both sides, and then divide both sides by 2. Here is the math to illustrate better:
2x + 5 = 687
2x + 5 - 5 = 687 - 5
2x = 682
2x/2 = 682/2
x = 341
Answer = 341
The answer above is correct, because twice 341 is 682, and 5 more than 682 is in fact 687.
More Than Twice a number
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5 more than twice a number is 688
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