The expression "eight more than twice a number" can be written as 2x + 8, where x represents the unknown number. This expression indicates that you should first multiply the number by 2 and then add 8 to the result. For example, if the number is 5, then 2(5) + 8 = 10 + 8 = 18.
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2x + 8 = 50
Let's call "a number" x. Then 5 more than twice x is 5 + 2x.
n = number.2n + 6=====
3
2x+3 where x is the unknown number