Question 1200484
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To check if (55,22) is the solution to the original equations,
substitute x= 55, y= 22 into the original equations.


Then the left side of the 1st equation is

    3*55 + 5*22 = 275.


Is it equal to -11 ?   -  No.


Hence, what ? - Hence, (55,22) is not the solution.
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I answered your question.