Question 224068
3x+y=-5      
y=x+3 or -x+y=3  


Solve by substitution.


*[invoke linear_substitution "x", "y", 3,1,-5, -1, 1, 3 ]


ANSWER:  The solution is (-2,1) or x=-2 and y=1.


I hope the above steps and explanation were helpful. 


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