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Mathematics, 05.05.2020 05:01 jwjohnson20

Which of the following is the best thing to do as a first step in using substitution to solve the system of equations?
(3x + y=-3
2x-3y = -13
A. Solve the top equation for x.
B. Solve the top equation for y.
C. Solve the bottom equation for x.
D. Solve the bottom equation for y.

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