System of Linear Equations (Substitution) x + 4y = 17 y = x 2 – Substitute x 2 for y in the first equation. – x + 4(x 2) = 17 – = 5 x Now substitute 5 for x in the second equation. y = 5 2 – y = 3 The solution to the linear system is (5, 3), the ordered pair that satisfies both equations.
System of Linear Equations (Substitution) x + 4y = 17 y = x – 2 Substitute x – 2 for y in the first equation. x + 4(x – 2) = 17 x = 5 Now substitute 5 for x in the second equation. y = 5 – 2 y = 3 The solution to the linear system is (5, 3), the ordered pair that satisfies both equations.
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