The given system is
|3x + 5y||=||8||... (1)|
|5x + 3y||=||0||... (2)|
To eliminate y, we need to make the coefficients of y the same numerical value, but with opposite sign. We can do this as follows.
|3x + 5y||=||8||-3|
|5x + 3y||=||0||5|
|-9x - 15y||=||-24|
|25x + 15y||=||0|
Adding these equations then eliminates y.
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