X-9(3+0.5X)=3

来源：学生作业帮助网编辑：六六作业网时间：2025/01/31 22:14:38

X-9(3+0.5X)=3X-9(3+0.5X)=3X-9(3+0.5X)=3X-9(3+0.5X)=3X-27-4.5X=34.5X-X=-27-33.5X=-30X=-30÷3.5X=-60/7x

X-9(3+0.5X)=3
X-9(3+0.5X)=3

X-9(3+0.5X)=3
X-9(3+0.5X)=3
X-27-4.5X=3
4.5X-X=-27-3
3.5X=-30
X=-30÷3.5
X=-60/7

x=-60/7

原方程式为
x-27-4.5x=3
移项整理得：3.5x=-30
x=-60/7

.....
x-4.5x-27=3
-3.5x=30
x=-30/3.5=-60/7

x+2x+3x+4x+5x+6x+7x+8x+9x=9x-8x-7x-6x-5x-4x-3x-2x-x.x等于多少? 如果3x*x-x=1那么9x*x*x*x+12x*x*x-3x*x-7x+2001等于多少 3*X*X*X+3*X*X-3x-9=0 x=? 12x-2/21x=快点9点之前还有7x-x+2/3x-3(4x-0.5)-2x+(3x-1)-(x+5) 2(3-x)=9 求x 4(x+0.5)+x=17求x x(x*x-6x-9)-x(x*x-8x-15)+2x(3-x) X(x平方-6x-9)-x(x平方-8x-15)+2x(3-x)其中x=-六分之一填九宫格帮帮忙.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+1)/(x+2)+(x+8)/(x+9)解答x+1/x+2+x+8/x+9=x+2/x+3+x+7/x+8 (0.5x+3)×80%-x=9 求x X-9(3+0.5X)=3 -0.5x+9=3x+2 X+0.5X=3 X-0.8X=8 x-3(20-x)=3x-7(9-x) 4x=2x x+(x-3)=9 x+3x-(9x+30x)=98 解方程】(x+8)/(x-3)-(x-9)/(x-4)=(x+7)/(x+8)-(x+2)/(x+3)(x+8)/(x-3)-(x-9)/(x-4)=(x+7)/(x+8)-(x+2)/(x+3) 解方程】(x+8)/(x-3)-(x-9)/(x-4)=(x+7)/(x+8)-(x+2)/(x+3)(x+8)/(x-3)-(x-9)/(x-4)=(x+7)/(x+8)-(x+2)/(x+3)