(1-40%)x+30=75%x
2个回答
(1-40%)x+30=75%x
0.6x+30=0.75x
30=0.75x-0.6x
30=0.15x
x=200
相关问题
40%x+75×(14-x)=(1-40%)x+(1-75%)×(14-x)
1/40 * 5+1/40 * x=1/30 * x
(40-2x)(30-2x)=1/2×30×40 (40-2x)(30-2x)=600 (x-20)(x-15)=150
x-(40%x-3)=75
X/50+(40-X)/30=1
解方程: 5*(1/40)+(1/40)x=(1/30)x
计算.25%x=75 60%x-35%x=125 x-40%x=120 x+15%x=115 15x-30=150 8x
30x+15=40(x-1)-5
40/(2/3) x) +30/x=1
六题解方程:x+75%x=140 x-40%x=96 x-76%x=36 4x+50%x=90 60%x-30=120