Score for this attempt:4out of 5Submitted Jun 25 at 7:20pmThis attempt took 68 minutes.Question 10 / 1 ptsAfter viewing the video,Exercise 21 – Solving by Substitution: Independent,in the media section of Chapter 7, the presenter suggests plugging y = 2 intothe first equation. If you substituted y into the second equation you will alsoget the same results.True (CORRECT answer)False (you answered)

Question 21 / 1 ptsThe speaker in Exercise 31 from Chapter 7,Dependent and IndependentSystems, solved the system and got an answer of 0 = -15. This means thereis/are ______ solution(s).

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Question 31 / 1 ptsWhen looking at the example in the slideshow,Equations Involving Fractions