0.4X/(X+5)=0.3怎么解

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0.4X/(X+5)=0.3怎么解
0.4X/(X+5)=0.3怎么解

0.4X/(X+5)=0.3怎么解
0.4X/(X+5)=0.3
0.4X=0.3（X+5)
0.4X=0.3x+1.5
0.4x-0.3x=1.5
0.1x=1.5
x =15

0.4X/(X+5)=0.3怎么解 x 5x=21.6-x-5x怎么解 x(x+5)+(x+5)x=121怎么解 x-0.3x=4.9怎么解 x=5x-36 怎么解 5x-x=36.怎么解 2x=5x怎么解 5x=11x怎么解 5x-9=x怎么解 2x=5x怎么解? x-24%=5x怎么解 5x-60=x怎么解 x+5+x=50 怎么解 x-x/5=32怎么解 5x=8x怎么解 5/X+X=24 怎么解 90-x=5x怎么解 x+48=5x怎么解