adelina57
adelina57
02-11-2020
Mathematics
contestada
6x + 5y = 4
6x - 7y = -20
Elimination method
Respuesta :
educationfas
educationfas
03-11-2020
Answer:
12x -2y= -16
Step-by-step explanation:
6x + 5y = 4
+ 6x - 7y = -20
=
12x -2y = -16
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