Question 480971
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Hi,
7x-8y=40
8y-7x=40

 7x-8y=40
-7x+8y=40   |Associatve Principle EQ 2
  0 &#8800; 80  NO solution, inconsistent systems

A <i>consistent</i> system has at least one solution.
An <i>inconsistent</i> system has no solutions.
An <i>independent</i> system has exactly one solution.
A <i>dependent</i> system has infinitely many solutions.