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Published byNatalie Stone Modified over 8 years ago

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6.6 DAY 2: More Elimination

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1. Line terms up vertically 2. Make sure one of the variables has opposite coefficients (Today, it is by multiplying…Like finding a LCD) 3. Combine the equations 4. Solve for each variable

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Solve the system by using the elimination method 2x + y = 4 x = 3 y = -2 -x + 3y = -9 2x + y = 4 -2x + 6y = -18 7y = -14 -x + 3y = -9 (3, -2)

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Solve the system by using the elimination method 3x + 5y =9 x = -2 y = 3 9x + 2y = -12 -9x + -15y = -27 9x + 2y = -12 -13y = -39 (-2, 3)

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Solve the system by using the elimination method 6x - 2y = 4 y = 10 5x - 3y = -10 -18x + 6y = -12 10x - 6y = -20 -8x = -32 x = 4 (4, 10)

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