Mathematics, 22.07.2019 06:20, dbn4everloved8

Solve each system of equations by adding, subtracting, or multiplying. 1) 3x - 3y = -9 2x + y = -3 show your work!

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Solve each system of equations by adding, subtracting, or multiplying. 1) 3x - 3y = -9 2x + y = -3...