sophie9271
sophie9271
21-09-2017
Mathematics
contestada
-3x+2y=25
19x+3y=-33
Respuesta :
meredith48034
meredith48034
21-09-2017
-57x+38y=475
57x+. 9y= -99
47y= 376
y=8
-3x+16=25
-3x=9
x=-3
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