2|х|=х+4
1) x>=0, 2x=x+4, x=4
2) x<0, -2x=x+4, 3x=-4, x=-4/3
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2|х|=х+4
1) x>=0, 2x=x+4, x=4
2) x<0, -2x=x+4, 3x=-4, x=-4/3