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2|3x+2|=3|3x+2 |-7
2|3x+2|-3|3x+2 |=-7
-|3x+2 |=-7 /:(-1)
|3x+2 |=7
3x+2=7 lub 3x+2=-7
3x=7-2 lub 3x=-7-2
3x=5 /:3 lub 3x=-9 /:3
x=5/3 lub x=-3
===============
3+|4x+2|=|6x+3|
3+2|2x+1|=3|2x+1|
2|2x+1|-3|2x+1|=-3
-|2x+1|=-3 /:(-1)
|2x+1|=3
2x+1=3 lub 2x+1=-3
2x=3-1 lub 2x=-3-1
2x=2 /:2 lub 2x=-4 /:2
x=1 lub x=-2