Which step could you use to start solving the system of equations below? x + y = 3
-3x - 2y = -7

Group of answer choices

Multiply -3x - 2y = -7 by 2 and subtract it from x + y = 3

All of the above.

Multiply x + y = 3 by 3 and add it to -3x - 2y = -7

Add x + y = 3 to -3x - 2y = -7

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