(2X+1／3)一(10X+1／6)=1.求X的值

3(x一1)一5(3x一2X)=8(x一8)+6 求一个数独答案X X X 9 X X X 8 2 X 6 3 X X 1 4 X 99 X 8 X X X X X XX X X 6 7 X 3 X XX 4 6 X 5 X 2 9 XX X 7 X 2 3 X X XX X X X X X 7 X 17 X 4 3 X X 6 2 X6 3 X X X 7 X X X (1)3X十6X一5=0 (2)4X一X一9=0, x一2分之1一x=3一3分之x一2 4(2X一9)+3(X一15)=7(X一1)一2 4(2x一7)一2(x一1)=3(x一1)一2 x=? 帮忙解决几道计算题,1：3(2X＾2一1)=7X 2：X＾2-6X一40=01：3(2X＾2一1)=7X2：X＾2-6X一40=03：x＾2+3X一10=04：(x+3)(x+1)=155：(y一1)＾2+2y(y一1)=06：(3x+2)^2=4(x一3)＾27：3x＾2一7x+2=08：2x＾2一11x一21=09：3(1/2一X (2X+1／3)一(10X+1／6)=1.求X的值 6x+2x2次方一3x+x2次方+1,其中x=一5 5分之3x一7>=2分之x-2,4分之x一12分之2x一1>6分之1一3分之x 2x一1/3(x+1)=4x一(2X十1/2) 计算:6x2一(2x一1)(3x一2)十(x十2)(x一2)一x(x十7)这题怎么做? *-----------------------------------------------*| 6 4 X | 8 X X | X X 5 || X X X | X X X | X 7 8 || X X X | X X X | X X X ||---------------+---------------+--------------- || X X X | X X X | 5 1 X || X X X | X 6 X | X X X || 8 X X | 3 5 X | 2 X X || 6分之x一2=3分之x+1, 解方程7X一2/1[x一2/1(X一1)]=3/2(x一1) 1/x^2一6x十8=1/x^2一4x十3x^2一6x十8和x^2一4x十3 10一4(x^2+x一3)≤2(一2x^2十x一1) x一2分之1一x=3一3分之x一2,求x