
The number (x) in: "8 more than twice a number is 878" 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 8, you get 878.
To solve this, you first write the problem as an algebra equation as follows: 2x + 8 = 878
Then you solve the equation by subtracting 8 from both sides, and then divide both sides by 2. Here is the math to illustrate better:
2x + 8 = 878
2x + 8 - 8 = 878 - 8
2x = 870
2x/2 = 870/2
x = 435
Answer = 435
The answer above is correct, because twice 435 is 870, and 8 more than 870 is in fact 878.
More Than Twice a number
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8 more than twice a number is 879
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