x+5x＝150

x+5x＝150 10x＝5+x *-----------------------------------------------*| 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 2/3x＝(x-150)×5/6帮帮忙, 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 用递归法求y=x-(x*x*x/3!)+(x*x*x*x*x/5!)-(x*x*x*x*x*x*x/7!)+. ①、15x+40（5-x）＝150 ②、27x+32（10-x）＝300 求解! 1.5x＋5＝x＋30 x＝? X＋5×X＝2.4,X＝? 2x+5X(39-x)=150 x^2+5x-150=0,求X 4x(5x-2)＝3(5x-2) 5x-2＝3x+4 x等于什么? 使得|x-5|-|x-2|＝7 x等于多少. (x-1)²-(x-1)(x+5)＝17