SOLUTION: Solve using the elimination method 5x-4y=10.5 20x-16y=42
-> SOLUTION: Solve using the elimination method 5x-4y=10.5 20x-16y=42
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Algebra: Systems of equations that are not linear
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Solve using the elimination method
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multiply first by 4
is the same as the second
they are equivalent lines one over the other.
all solutions of one are the solutions of the other.