4.25x–1.75×2＝5

4.25x–1.75×2＝5 *-----------------------------------------------*| 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 || 填九宫格帮帮忙.x x 6 x x 7 x x 98 x x x 3 x 1 x x 9 x x 6 x 5 x 3 x x x 3 x x x x 1 8x x x 9 x 1 x x x2 1 x x x x 6 x x x 6 x 7 x 3 x x 1 x x 9 x 2 x x x 47 x x 8 x x 5 x x x(2x－1)＝-3x(x+1)+5x²+3 x＋2/x＋1＝5/x－1/x(x＋1) 求化简! 混合运算6x+2x²-3x+x²+1其中x＝-5 4x(5x-2)＝3(5x-2) 3x(x＋2)＝5(x＋2) 3x(x+2）＝5(x+2）)) x+(1/2x-4)＝32-(2x+5) 5x-2＝3x+4 x等于什么? 使得|x-5|-|x-2|＝7 x等于多少. 5x+10＝-x-2 10×x-2×(x-5)＝14 5x＋2x＝33.6 2x-1.4×5x＝-10 5-x/2x+4>＝0 2x+6＝2.4x×5