Mathematics, 08.10.2019 18:30, totallybriii

X+y=5; 4x+y=10 .
part a: use substitution to find the solution to the systems of equations. include all of your work in your final answer.
part b: algebraically verify your answer to part a. include all of your work in your final answer.

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X+y=5; 4x+y=10 .
part a: use substitution to find the solution to the systems of equations....