Chapter 2: Problem 83
Simplify each expression. See Section \(1.8 .\) \(5 x+2(x-6)\)
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Chapter 2: Problem 83
Simplify each expression. See Section \(1.8 .\) \(5 x+2(x-6)\)
These are the key concepts you need to understand to accurately answer the question.
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Solve. For Exercises 1 through \(4,\) write each of the following as equations. The sum of 4 times a number and -2 is equal to the sum of 5 times the number and \(-2 .\) Find the number.
Fill in the box with \(<,>, \leq,\) or \(\geq\). See the Concept Check in this section. Since \(3<5,\) then 3(-4)\(\square 5(-4)\)
Over the past few years the satellite Voyager II has passed by the planets Saturn, Uranus, and Neptune, continually updating information about these planets, including the number of moons for each. Uranus is now believed to have 13 more moons than Neptune. Also, Saturn is now believed to have 2 more than twice the number of moons of Neptune. If the total number of moons for these planets is 47 , find the number of moons for each planet. (Source: National Space Science Data Center)
Solve. For Exercises 1 through \(4,\) write each of the following as equations. Three times a number, minus \(6,\) is equal to two times the number, plus 8 . Find the number.
Solve. For Exercises 9 and \(10,\) the solutions have been started for you. A 25 -inch piece of steel is cut into three pieces \(s o\) that the second piece is twice as long as the first piece, and the third piece is one inch more than five times the length of the first piece. Find the lengths of the pieces
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