0.3(x-9)=12.75
来源:学生作业帮助网 编辑:作业帮 时间:2024/11/06 13:46:21
0.3(x-9)=12.75
0.3(x-9)=12.75
0.3(x-9)=12.75
0.3(x-9)=12.75
x-9=12.75/0.3
x=9+42.5
x=51.5
12.75/0.3=42.5,
x=42.5+9
x=51.5
51.5
很值得考虑
0.3(x-9)=12.75
0.3(x-9)=12.75解方程
0.3X+0.6*(20-X)=9,求X
x+6x=8.4 2.4x+x=27.2 9x-4.2x=24 x-0.6x=4.8 8.6x-4.6x=10.4 7x+0.3x=3.65解方程要过程详细.
x/x-2+x-9/x-7=x+1/x-1+x-8/x-6,
x/x-2+x-9/x-7=x+1/x-1+x-8/x-6,
0.3+0.3x=0.39 x= 2x-1.5x=7.6x x= 0.36x÷0.3=1.2 x=6(x+1.2)=18.6 x= 7x+2x = 8.1 x= (x-5)÷3=1.7 x=5(x+1.1)=15.5 x= 9x+25=70 x= 7x-4x=2.1 x=
(解方程)要有过程的喔!①x-1/4x=3/8②(1/5+1/2)x=3/20③0.3(x-9)=12.75④x+2/7x=3/4⑤(3/4+2/5)x=23/24⑥3x-27/4=33/4⑦7/4x-1/2x=25/4⑧2x-2/3=4/5⑨x+2/5x=2110、 2/3x-13/50=1/5x11、 4/5x-2/5x=1/212、 0.2x+0.8=6.413、 (1-3/8)x=5/31
x+2x+3x+4x+5x+6x+7x+8x+9x=9x-8x-7x-6x-5x-4x-3x-2x-x.x等于多少?
12x-9x=21.6、0.3x+0.25x=1.43、5x+x-2.5x=56 三道,怎么算?
如果3x*x-x=1那么9x*x*x*x+12x*x*x-3x*x-7x+2001等于多少
8x-5.5x=7.57.2x÷3.6=2 3x+6x-8x=0.7 12x-2x-5x=4.512x-x=0 5x+x=1.8 3.2x+1.8x=64.8x-0.8x=6 6.3-0.3x=9.6 8.6x-8.5x=0.720x-2x=36 9x+6x=4.5 18x-12x=5.42x-1.6x=3.6 18x+3x=7×6 1.2x-0.5x=0.71.3x+2.7x=1 4x-3.2x=6.4 0.8x+3.2x+3x=562.8x-2x=7.2
0.5X+120+0.3X=X
x-0.3x-0.5x=20
X+0.3X=1000 求X?
3*X*X*X+3*X*X-3x-9=0 x=?
x-9/6-x+2/3=x-1 x/5-1.5=-1.2x+5 3(5-1.2x)+1.4=x-9/6-x+2/3=x-1x/5-1.5=-1.2x+53(5-1.2x)+1.4=-2(0.3x-1)1-x=-2(3x-2)-12/3x-3/2=1/4x-3/4(6x-5)+[2x-(4x-1)]=-24
(x+7/x+6) +(x+9/x+8)=9x=(x+10/x+9) +(x+6/x+5)