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-3x=-2/-3
x-2/3 wartosi sa dodatie
zada 15
y=3x-1
3x-1=0
3x=1/3x=1/3
y=-4x+3
-4x+3=0/-4
x=-3/4
c)-2x+5=0
-2x=-5/-2
x-2i1/2
d)y=2(x-1)
2(x-1)=0
2x-2=0
2x=2/2
x=1
e)y=-3(x-1)+2
-3x+3+2=0
-3x=-5/-3
x=3/5
f)3-(1-x)=0
3-1+x=0
x=-2