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Mathematics, 11.06.2020 10:57 drpharmd1769

Which is the best first step when solving the following system of equations? x + y = 3. 4 x minus y = 7. Multiply the first equation by 4. Add the first equation to the second equation. Multiply the second equation by Negative 1. Subtract the second equation from the first equation.

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Which is the best first step when solving the following system of equations? x + y = 3. 4 x minus y...
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