Question 220923
solve by the substitution method.

3x + 9y = 3
-4x + y = 22


*[invoke linear_substitution "x", "y", 3, 9, 3, -4, 1, 22 ]


SOLUTION:  The ordered pair (x,y) is (-5,2)


I hope the above steps were helpful.


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Respectfully,
Dr J