2|x-1|+3=9.
当x-1≥0,即x≥1时,方程化为2(x-1)+3=9,
去括号得:2x-2+3=9,
移项合并得:2x=8,
解得:x=4;
当x-1<0,即x<1时,方程化为-2(x-1)+3=9,
去括号得:-2x+2+3=9,
移项合并得:-2x=4,
解得:x=-2,
综上,原方程的解为-2或4.
2|x-1|+3=9.
当x-1≥0,即x≥1时,方程化为2(x-1)+3=9,
去括号得:2x-2+3=9,
移项合并得:2x=8,
解得:x=4;
当x-1<0,即x<1时,方程化为-2(x-1)+3=9,
去括号得:-2x+2+3=9,
移项合并得:-2x=4,
解得:x=-2,
综上,原方程的解为-2或4.