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Use a property of equality to solve each equation. Then check the result. See Example 8 .$$-y=50$$
$y=(-50)$
Precalculus
Algebra
Chapter 2
Equations, Inequalities, and Problem Solving
Section 1
Solving Equations Using Properties of Equality
Algebra Topics That are Reviewed at the Start of the Semester
Equations and Inequalities
Missouri State University
Baylor University
University of Michigan - Ann Arbor
Idaho State University
Lectures
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solved the equation and check your solution. Negative y equals 50 toe. Isolate the variable. Divide both sides by negative one. Why is equal to 50 divided by negative one? Why equals negative 50. To check your solution, substitute negative 50 into the original equation for why and see if it's a true statement. Is negative. Negative. 50. Equal to 50 negative times Negative is a positive. So negative negative. 50 is positive. 50 is equal to 50. Why equals negative? 50 is the solution.
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