Which step could you use to start solving the system of equations below?*
x + y = 3
-3x – 2y...
![subject](/tpl/images/cats/mat.png)
Mathematics, 02.03.2021 01:50 shanilafaridor97hl
Which step could you use to start solving the system of equations below?*
x + y = 3
-3x – 2y = -7
A. Multiply x + y = 3 by 3 and add it to -3x - 2y = -7
B. Multiply -3x-2y = -7 by 2 and subtract it from x + y = 3
C. Add x + y = 3 to -3x - 2y = -7
D. Subtract x + y = 3 from -3x - 2y = -7
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