3(x+2)-4(x-1)+2(3x-1)-18=0

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3(x+2)-4(x-1)+2(3x-1)-18=0
3(x+2)-4(x-1)+2(3x-1)-18=0

3(x+2)-4(x-1)+2(3x-1)-18=0
去括号,得3x+6-4x+4+6x-2-18=0
合并同类项,得5x-10=0
x=2

3x+6-4x+4+6x-2-18=5x-10=0,所以x=2

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