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Mathematics, 14.10.2019 03:30 erinharrington15

5x - 2y = 15 2x + 4y = 12 according to the strategy you learned in this lesson, what is the best first step in solving the system of equations above using substitution? solve for x in the first equation. solve for y in the first equation. solve for x in the second equation. solve for y in the second equation.

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