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You want to solve the following system of equations by addition. What should you do...

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You want to solve the following system of equations by addition. What should you do first, so that one variable is eliminated when you add the equations?-2x+4y=103x-2y=-7A. Multiply the top equation by -3.B. Multiply the top equation by 3 and the bottom equation by -2.C. Multiply the top equation by 2 and the bottom equation by 3.D. Multiply the bottom equation by 2.

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