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Solve using substitution: {x+4y=223x−2y=10\begin{cases} x + 4y = 22 \\ 3x - 2y = 10 \end{cases}{x+4y=223x−2y=10
(8,3.5)(8, 3.5)(8,3.5)
(6,4)(6, 4)(6,4)
(5,4.25)(5, 4.25)(5,4.25)
(7,3.75)(7, 3.75)(7,3.75)