9 more than twice a number is 778

The number (x) in: "9 more than twice a number is 778" 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 778.

To solve this, you first write the problem as an algebra equation as follows: 2x + 9 = 778

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 = 778

2x + 9 - 9 = 778 - 9
2x = 769

2x/2 = 769/2
x = 384.5

Answer = 384.5

The answer above is correct, because twice 384.5 is 769, and 9 more than 769 is in fact 778.

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9 more than twice a number is 779
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