解方程3(0.7x+0.1)+2(0.25x-0.2)=5.1
解方程3(0.7x+0.1)+2(0.25x-0.2)=5.1
解方程:2- x+5/6=x- x-1/3,0.1-0.2x/0.03-1=0.7-x/0.4
解方程:(x-8)/(x-3)-(x-9)/(x-4)=(x+7)/(x+8)-(x+2)/(x+3)
解方程(x-2)X(x的平方-6x-9)=x(x-5)X(x-3)
解方程,x(x+3)-x(1-2x)=1+3x平方
(1)1-x/3=8-2x/2[解方程][过程要有] (2)0.1x-0.2/0.02=3+x+1/0.5[解方程][过
解方程x/(x-2)=2x/(x-3)+(1-x)/(x-5x+6)
X-0.25X=3 方程解
解方程2x:3=x:
(x+8 )/0.2-(x-3)/0.5=2+(0.2x+0.7)/0.01 解方程
解方程0.7-0.1x/0.5-x-1/3=x-2/6
2- 6分之x+5=x- 3分之x-1 ,0.03分之0.1-0.2x-1=0.4分之0.7-x 怎么解方程!急