作业帮(0.5x+2)/0.03-x=0.3(0.5x+2)/0.2-10又12分之11
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(0.5x+2)/0.03-x=0.3(0.5x+2)/0.2-10又12分之11
(0.5x+2)/0.03-x=0.3(0.5x+2)/0.2-10又12分之11
(0.5x+2)/0.03-x=0.3(0.5x+2)/0.2-10又12分之11
(0.5x+2)/0.03-x=0.3(0.5x+2)/0.2-(10+11/12)
100*(0.5x+2)/100*0.03-x=10*0.3(0.5x+2)/10*0.2-(10+11/12)
100*(0.5x+2)/3-x=3(0.5x+2)/2-(10+11/12)
(50x+200)/3-x=3*1/2(x+4)/2-(10+11/12)
(50x+200)/3-x=3(x+4)/4-(10+11/12)
12*(50x+200)/3-12*x=12*3(x+4)/4-12*(10+11/12)
4*(50x+200)-12x=9(x+4)-120-11
200x+800-12x=9x+36-131
188x+800=9x-95
188x-9x=-95-800
179x=-895
x=-5
0.5x+2/0.03-x=0.3(0.5x+2)/0.2-10又12分之11
两边同时乘以6得
3x+400-6x=9(0.5x+2)-60又12分之66
3x+400-6x=4.5x+18-60又12分之66
3x-6x-4.5x=18-400-60又12分之66
-7.5x=-382-60又12分之66
-7.5x=-382-65.5
-7.5x=-447.5
x=59又3分之2
解方程.（0.5x+2)/0.03-x=[0.3(0.5x+2)]/0.2解方程.（0.5x+2)/0.03-x=[0.3(0.5x+2)]/0.2
0.2x+0.5/0.5--0.03+0.12x/0.3=x-6/2（0.2x+0.5)/0.5-（0.03+0.12x)/0.3=（x-6)/2
0.5x+2/0.03-x=0.3(0.5x+2)/0.20.5x+2/0.03-x=0.3(0.5x+2)/0.2
0.5X+120+0.3X=X
x-0.3x-0.5x=20
(0.5x+2)/0.03-x=0.3(0.5x+2)/0.2-10又12分之11
0.5x+2/0.03-x=0.3(0.5x+2)/0.2
(1)1/3[1/2x-1/4(4/3x-2/3)]=1-1/3x (2)2x-0.5x+2/0.03=x/6-0.3(9x+8)/0.2 (3)|3x-1/-2|=7
x+0.5x=0.3
[0.05x+0.2]/0.03-x={0.3[0.5x+2]}/0.2
(0.4x+0.9)/0.5-(0.03+0.02x)/0.03=(x-5)/2 x等于多少?
0.02x-0.01/0.03-0.4x+0.2/0.5-3X+2/4=-3求x
1-0.5x/0.3-2/3x=0.3x/0.2x+1
(20+x)= 2*[20+(35-x)] 0.3/0.5=x+1/2x-1
请问0.3/0.5=x+1/2x-1 x/5-x/6 3(x+2)=4(x+1）3.2/x=0.5 这些题咋做
1、0.3X-0.4X=0.5 2、5X-2.5X+3.5X=-18 3、X-2/5X=-3+6解这些一元一次方程,
x-2/6-x+2/3=x-1/2+10.01+0.02x/0.03-1-0.3x/0.2=1
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