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I2x-6I=2
2x-6=2 ∨ 2x-6=-2
2x=8 2x=4
x=4 x=2
I3x-5I=-2
3x-5=-2 ∨ 3x-5=2
3x=3 3x=7
x=1 x=7/3
I2x+3I=0
2x=-3
x=-1,5
b.
Ix-2I=-3
x-2=-3 ∨ x-2=3
x=-1 x=5
I3x-6I=3
3x-6=3 ∨ 3x-6=-3
3x=9 3x=3
x=3 x=1
I2x+3I=0
2x+3=0
2x=-3
x=-1,5