chasitytate715
chasitytate715
13-12-2016
Mathematics
contestada
{ x plus y= -4 y= 2x-1
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Аноним
Аноним
13-12-2016
x + y = -4 so y = -4 - x
y =2x - 1
-4 - x = 2x - 1
3x= -3
x = -1
y = 2x - 1 = 2(-1) - 1 = -2 -1 = -3
answer: x = -1 and y = -3
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