a. 2|x+9|=6 b. -3|2x-9|=8
a.
2|x+9|=6
2x+18=6
2x=-12/ : 2
x= -6
b.
-3|2x-9|=8
-6x+18=8
-6x= -10/ : (-6)
x= 10/6
a)
2x=6-18
2x=-12/2
x=-6
Odp: x=-6
b)
-6x+27=8
-6x=8-27
-6x=-19/(-6)
x=3
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a.
2|x+9|=6
2x+18=6
2x=-12/ : 2
x= -6
b.
-3|2x-9|=8
-6x+18=8
-6x= -10/ : (-6)
x= 10/6
a)
2x+18=6
2x=6-18
2x=-12/2
x=-6
Odp: x=-6
b)
-6x+27=8
-6x=8-27
-6x=-19/(-6)
x=3