作业帮(0.2x+0.5)/0.5-(0.03+0.02x)/0.03=(x-5)/2
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(0.2x+0.5)/0.5-(0.03+0.02x)/0.03=(x-5)/2
(0.2x+0.5)/0.5-(0.03+0.02x)/0.03=(x-5)/2
(0.2x+0.5)/0.5-(0.03+0.02x)/0.03=(x-5)/2
(0.2x+0.5)/0.5-(0.03+0.02x)/0.03=(x-5)/2
(2x+5)/5-(3+2x)/3=(x-5)/2
乘以30得 6(2x+5)-10(3+2x)=15(x-5)
12x+30-30-20x=15x-75
12x-20x-15x=-75
-23x=-75
x=75/23
两边乘6
12(0.2x+0.5)-200(0.03+0.02x)=3(x-6)
2.4x+6-6-4x=3x-18
3x+4x-2.4x=6-6+18
4.6x=18
x=90/23
x-30-0.2x=0.5x
0.02x-0.01/0.03-0.4x+0.2/0.5-3X+2/4=-3求x
0.5/0.2x+0.5=4+0.03/0.03+0.02x
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
0.4x-2.1/0.5-0.5-0.2x/0.03=0.6
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
3分之2X+1=1 0.2X+0.5-0.03+0.02X=2分之X-5 0.03分之0.1X-0.2-0.5分之2X+1=3 6【X-2（X-1]）】=2（X-3
(0.4x-2.1)/0.5=(0.1+0.2x)/0.03-0.6
(0.4x-2.1)/0.5=(0.1+0.2x)/0.03-6
(0.4x-2.1)/0.5=(0.1+0.2x)/0.03-0.6
(0.2x+0.5)/0.5-(0.03+0.02x)/0.03=(x-5)/2
0.2x+0.5/0.5-0.03+0.02x/0.03=x-5/2
(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
[0.05x+0.2]/0.03-x={0.3[0.5x+2]}/0.2
x-3/2x+1=1 x-2/6-x+2=x-1/2+1 0.2x+0.5/0.5-0.03+0.02x/0.03=x-5/2
(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