rdiaz09
rdiaz09
14-12-2020
Mathematics
contestada
2x – 3y = 15
-2x + y = -1
Respuesta :
Cyrilchacko
Cyrilchacko
14-12-2020
Answer: -y=7
Explanation:
Think of your problem as subtraction:
2x-3y+15
-2x+3y=-1
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