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Mathematics, 16.12.2021 23:20 elsauceomotho

Which of the following systems of equations is an example of one where substitution is the best method? A.) x = 4
y = 11
B.) y = 2/7x + 11
3x - 4y = -24
C.) 5x + 3y = 15
-3x = 6y = 12
D.) 4x - 5y = 20
-6x + 2y = -42

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