Glencoe algebra 1 chapter 6 mid chapter test answer key

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Chapter 6 - Systems of Equations and Inequalities - Mid-Chapter Quiz - Page 393: 1

Answer

One Solution: (-1, -2)

Work Step by Step

Our two equation are: 1. y=x-1 2. y=-3x-5 We can use substitution and set the two equations above equal to each other because both equations equal to y. x-1=-3x-5 (Add 3x to both sides) 4x-1=-5. (Add 1 to both sides) 4x=-4 (Divide by -4 from both sides) x=-1 Now that we know the value of x, lets plug it into our first equation to find the value of y. y=-1-1 y=-2 So our solution is (-1, -2)

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