SOLUTION: Thanks in advanced!
in which line is a mistake first made when solving the following system of equations by elimination for s?
2r + 7s = 11
r - 9s = -7
Line 1
2r + 7s =
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Question 1015617: Thanks in advanced!
in which line is a mistake first made when solving the following system of equations by elimination for s?
2r + 7s = 11
r - 9s = -7
Line 1
2r + 7s = 11
2(r - 9s = -7)
Line 2
2r + 7s = 11
2r - 18s = -14
Line 3
-11s = -3
Line 4
s = 11/3
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
in which line is a mistake first made when solving the following system of equations by elimination for s?
2r + 7s = 11
r - 9s = -7
Line 1
2r + 7s = 11
2(r - 9s = -7)
Line 2
2r + 7s = 11
2r - 18s = -14 **************
------------- Subtract
25s = 25
==============================
Line 3
-11s = -3
Line 4
s = 11/3
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