SOLUTION: 1.) the sum of a number and twice the number is 18. what is the number?
2.) eight times a number equals 35 more than a number. what is the number?
3.) three times the sum of 13 a
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-> SOLUTION: 1.) the sum of a number and twice the number is 18. what is the number?
2.) eight times a number equals 35 more than a number. what is the number?
3.) three times the sum of 13 a
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Question 890188: 1.) the sum of a number and twice the number is 18. what is the number?
2.) eight times a number equals 35 more than a number. what is the number?
3.) three times the sum of 13 and a number is the same as 7 times the number decreased by 9. what is the number?
i need an equation as well as the answer please.
You can put this solution on YOUR website! 1. let x be the number, then
x +2x = 18
3x + 18
x = 6
2. let x be the number
8x = x +35
7x = 35
x = 5
3. let x be the number
3(x+13) = 7x - 9
3x +39 = 7x -9
4x = 48
x = 12
