b2007bratz
b2007bratz
23-10-2020
Mathematics
contestada
2x+y-z=7
x-2y+2z=-9
3x-y+z=5
Respuesta :
rebeca1729
rebeca1729
23-10-2020
3x-y+5=15y because 3x5=15
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-x + y for x = -10 and y = 1
