SOLUTION: Solv the matrix equation |2x ' 7 | |y ' 7| |7 ' 2y| = |7 ' y|

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Question 1129697: Solv the matrix equation

|2x ' 7 | |y ' 7|
|7 ' 2y| = |7 ' y|

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Solv the matrix equation

|2x ' 7 | |y ' 7|
|7 ' 2y| = |7 ' y|
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IDK what the apostrophes mean.
Ignoring them:
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4xy - 49 = y^2 - 49
4xy = y^2
y^2 - 4xy = 0
y*(y - 4x) = 0
y = 0
y = 4x