X*0.55+1*0.8=(X+1)*0.6
2个回答
0.55x+0.8=（x+1）0.6
0.55x+0.8=0.6x+0.6
0.6x-0.55x=0.8-0.6
0.05x=0.2
x=4
相关问题
1-0.8*x=0.6 1-0.8*x=0.6
(0.55-0.5)乘50x+(1-6)x=8000
九年级上册数学55页2x²-9x+8=0 9x²+6x+1=0 16x²+8x=3
2x-1/6=1-0.2x/8(2x-1)/6=(1-0.2x)/8
0.4x-0.6=0.2x-1.8
1.8-0.4x=0.2x-0.6
(x-0.6):0.3=1.8:1 求x
（6）0.5x－0.6＝0.7x－1.4+8.6
(5x-0.3)/0.4=(3x-1.2)/0.6-(1.8-8x)/1.2
（1.2x-0.6）/0.2+（1.8x-1.2）/0.3=1