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Mathematics, 24.08.2021 21:00 sunny3799

Which statement correctly explains how Dana can solve the following system of linear equations for x using the elimination method? Add the two equations, solve for y, and then substitute –1 for y to find x.
Multiply the bottom equation by –4, solve for y, and then substitute –1 for y to find x.
Multiply the bottom equation by –1, subtract the two equations, solve for y, and then substitute 1 for y to find x.
Multiply the two equations, solve for y, and then substitute 1 for y to find x.

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Which statement correctly explains how Dana can solve the following system of linear equations for x...
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