4 more than twice a number is 677

The number (x) in: "4 more than twice a number is 677" 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 677.

To solve this, you first write the problem as an algebra equation as follows: 2x + 4 = 677

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 = 677

2x + 4 - 4 = 677 - 4
2x = 673

2x/2 = 673/2
x = 336.5

Answer = 336.5

The answer above is correct, because twice 336.5 is 673, and 4 more than 673 is in fact 677.

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4 more than twice a number is 678
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