Questions on Algebra: Linear Algebra (NOT Linear Equations) answered by real tutors!

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Question 158410This question is from textbook
: 2(4-2r)=-2(r+5)This question is from textbook
: 2(4-2r)=-2(r+5)
Answer by consc198(59) About Me  (Show Source):
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2(4-2r)=-2(r+5)

Answer:

8-4r = -2r-10
2r-4r=-10-8
-2r = -18
r = 9