2.96/5x=0.8怎么解

2.96/5x=0.8怎么解 x 5x=21.6-x-5x怎么解 x(x+5)+(x+5)x=121怎么解 5x*0.8=5x怎么解 1/5X+0.8=1/4x,怎么解 5X+0.8-2X=98怎么解 x/3=0.8/5怎么解 2.9/5x=0.8怎么解 X*0.8=X-480怎么解?.. x-0.8x=1怎么解 x-0.8x=42怎么解 0.8x+x=5.4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?