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.

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asked Jul 10, 2020 112k views

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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.