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0=2x+b
2x=-b
x=-1/2b
i 0=ax+3
ax=-3
x=-3/a
-3/a=-1/2b
-3=-1/2ab
ab=6
np . a=2 b=3
a=1 b=6
a=-1 b=-6
a=-2 b=-3
2x+b=0
ax+3=0
x=-b/2 b parzysta
x=-3/a→a∈{-1,1,-3,3}
-3/a=-b/2
ab=6
a=-1
b=-6
a=1
b=6
a=-3
b=-2
a=3
b=2
y=0 <=> 2x+b=0
2x+b=0
b=-2x
y=ax+3
y=0 <=> ax+3=0
ax+3=0
ax=-3
a=-3/x
ax+b=0
b=-2x
a=-3/x
(-3/x)x+(-2x)=0
-3-2x=0
-2x=3
x=-3/2
a=-3/x=-3/(-3/2)
a=-3*2/-3
a=2
b=-2x
b=-2*(-3/2)
b=-3