Problem

Find the values of $x$ and $y$ in parallelogram PQRS.
$PT = y, T R = 4 x + 1, Q T = 2 y, T S = 3 x + 12$

Answer

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Answer

Solve: x = -7, y = 9

Steps

Step 1 ：PT = TS \Rightarrow y = 3x + 12

Step 2 ：TR = QT \Rightarrow 4x + 1 = 2y

Step 3 ：Substitute: 4x + 1 = 2(3x + 12)

Step 4 ：Solve: x = -7, y = 9

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