15X+35X-(150+1215)=(150+1535)*10%

来源：学生作业帮编辑：作业帮分类：数学作业时间：2024/05/17 06:57:55

15X+35X-(150+12*15)=(150+15*35)*10%
(50/1+40/1)*20+50/1X=1
/=分数线

15X+35X-(150+12*15)=(150+15*35)*10%
50x - 330 = 67.5
x=7.95
(50/1+40/1)*20+50/1X=1
题目写法不对,应为
(1/50 + 1/40) * 20 + x/50 = 1
2/5 + 1/2 + x/50 = 1
x/50 = 1/10
x=5

解方程：25%x=75 60%x-35%x=125 x-40%x=120 x+15%x=115 15x-30=150 8 X/15 + X/12 + X/10 = 1365,求X, 1x+2x+3x+4x+5x+6x+7x+8x+9x+10x+11x+12x+13x+14x+15x=550 计算．25%x=75 60%x-35%x=125 x-40%x=120 x+15%x=115 15x-30=150 8x 15X+35X-(150+12*15)=(150+15*35)*10% (26-2x)/(12-x)=(35-2x)/(15-x) 这个方程怎么解 x+x=x+15 解方程:x/3+x/15+x/35+x/63+x/99=1 (2x^-5x+2/6x^+13x+6)*(6x^-5x-6/6x^-17x+10)*(12x^+8x-15/2x^-x 15-(4-5x)=2x+(35-3x) 2/x^2+4x+3+2/x^2+8x+15+2/x^2+12x+35 简单数学题X/3+X/15+X/35+X/63+X/99=1,求X的值