9 more than twice a number is 890

The number (x) in: "9 more than twice a number is 890" 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 9, you get 890.

To solve this, you first write the problem as an algebra equation as follows: 2x + 9 = 890

Then you solve the equation by subtracting 9 from both sides, and then divide both sides by 2. Here is the math to illustrate better:

2x + 9 = 890

2x + 9 - 9 = 890 - 9
2x = 881

2x/2 = 881/2
x = 440.5

Answer = 440.5

The answer above is correct, because twice 440.5 is 881, and 9 more than 881 is in fact 890.

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9 more than twice a number is 891
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