0.2x+0.5/0.5-0.03+0.02x/0.03=1 x-1/0.3-x+2/0.5=10.2x+0.5/0.5-0.03+0.02x/0.03=1x-1/0.3-x+2/0.5=12求详细步骤,好的给分.

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 解不等式(4x-1.5)/0.5-(5x-0.8)/0.2>(1.2-x)/0.