Caleb4904
07.12.2019 •
Mathematics
3x -4y =-1 and 3x-y=-4 ( elimination)
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Ответ:
-3x -4y = -1
3x - y = -4
0x -5y = -5
y = -5/-5 = 1
Plug 1 in for y in either of the equations
3x -1 = -4
3x = -3
x = -1
(-1, 1)
Ответ: