Pitanje 17
17.
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The sum of three times a number and 2 less than 4 times that same number is 15. Which of the following equation could be used to find the value of the number x?
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The difference between twice a number that is 5 more than that number is 3. Which of the following equations could be used to find the value of the number x?
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What is the number?
Set up the Equation only, do not solve!
The second side of a triangle is two more than the first side, and the third side is three less than the first side. Which expression represents th perimeter of the triangle
What is the length? (rember units)!
What is the width? (remember units)
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Which equation models the previous situation?
How many nickels did Sara have?
How many dimes did Sara have?
Lizzy has 30 coins that total $4.80. All of her coins are dimes and quarters. Which equation correctly models this situation?