Mathematics, 21.03.2020 05:33, melanyaguirre25

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.

Answers: 2

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