解方程:6.9x=23.12 6（x+2）=72 6.8x+2.3×=30.02 (9-4.5)x=4.5 6.8x+2

来源：学生作业帮编辑：搜搜考试网作业帮分类：数学作业时间：2024/06/14 03:40:21

解方程:6.9x=23.12 6（x+2）=72 6.8x+2.3×=30.02 (9-4.5)x=4.5 6.8x+2.3×3=30.02 x÷（6.3-2.3）=1.1
6.8x+6.9x=27.4 1.8（x+0.2）=7.2 3x-4×6=48 6x+7x=26 x+3.5×3=18

6.8x+6.9x=27.4 13.7X=27.4 X=2
1.8（x+0.2）=7.2 X+0.2=4 X=3.8
3x-4×6=48 3X-24=48 3X=72 X=24
6x+7x=26 13X=26 X=2
x+3.5×3=18 X+10.5=18 X=7.5

解方程:6.9x=23.12 6（x+2）=72 6.8x+2.3×=30.02 (9-4.5)x=4.5 6.8x+2 解方程（x-2）X（x的平方-6x-9）=x(x-5)X(x-3) 解方程:(x-2.4)÷2=3.6 6.9x=23.12 6（x+2）=72 6.8x+2.3×=30.02 (9-4. 解方程：(x-2)(x^2-6x-9)=x(x-5)(x-3) 解方程x/(x-2)=2x/(x-3)+(1-x)/(x-5x+6) 解方程:(x+3)/(x+2)-(x+5)/(x+4)=(x+7)/(x+6)-(x+9)/(x+8) 解方程：x/(x-2)+(x-9)/(x-7)=(x+1)/(x-1)+(x-8)/(x-6) 解方程：（x-8）/(x-3)-(x-9)/(x-4)=(x+7)/(x+8)-(x+2)/(x+3) x/(x-2)+(x+1)/(x-6)=2x/(x-3) 解分式方程解方程：2x+4x+6x+8x+...+2010x+2012x=1013042 解方程2x+4x+6x+8x~+2010x+2012x=1013042 9x^2+6x=5x解方程