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Solving Systems of Equations Special Cases. Solve by elimination. 7x + 2y = -6 -14x – 4y = -2. Solve by graphing. 7x + 2y = -6 -14x – 4y = -2. Solve by substitution. y = -3 – x 10x + 10y = -30. Solve by graphing. y = -3 – x 10x + 10y = -30.
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Solve by elimination 7x + 2y = -6 -14x – 4y = -2
Solve by graphing 7x + 2y = -6 -14x – 4y = -2
Solve by substitution y = -3 – x 10x + 10y = -30
Solve by graphing y = -3 – x 10x + 10y = -30