Mathematics, 14.07.2020 17:01 pooooooooyp4286

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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