
The number (x) in: "4 more than twice a number is 706" 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 706.
To solve this, you first write the problem as an algebra equation as follows: 2x + 4 = 706
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 = 706
2x + 4 - 4 = 706 - 4
2x = 702
2x/2 = 702/2
x = 351
Answer = 351
The answer above is correct, because twice 351 is 702, and 4 more than 702 is in fact 706.
More Than Twice a number
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4 more than twice a number is 707
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