December 2018 2 19 Report
Rozwiaz uklad rownan metoda graficzna
a)
2x - y = -6
y = x+2
b)
x+y = 1
x+ 3 y = -y
c)
x-y= 6
x-y/3 - x+y/2 = 5 - x w mianowniku
d)
2(y-x) + 4=2y
y - (x+1) ²= 2- (x-1)²
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