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Chapter 2: Q 78. (page 113)
If an equation has several fractions, how does multiplying both sides by the LCD make it easier to solve?
Multiplying both the sides by LCD makes the variable isolated on one side of the equation.
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Solve the inequality, graph the solution on the number line, and write the solution in interval notation .
Classify the below equation as a conditional equation, an identity, or a contradiction, and then state the solution.
Solve the linear equation.
One side of a triangle is three times the smallest side. The third side is three feet more than the shortest side. The perimeter is 13 feet. Find the lengths of all three sides.
In the following exercises, use the Pythagorean theorem to find the length of the leg. Round to the nearest tenth if necessary.
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