x-0.25x =5.7

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x-0.25x=5.7x-0.25x=5.7x-0.25x=5.7x-0.25x=5.70.75x=5.7x=7.6

x-0.25x =5.7
x-0.25x =5.7

x-0.25x =5.7
x - 0.25x = 5.7
0.75x = 5.7
x = 7.6

x-0.25x =5.7 （X+X)+(X-X)+(X*X)+(X/X)=100 （x-4)-(x+4)=0.25x 66=X+0.25X求X 0.25x+3.6=x解x x+0.9x=5.7 x-0.25x+1=10.4x+0.25x-1 x-0.25=0.25x {x+10}x{x+10}=0.25x x-0.25x=0. X-0.25x=0. x-0.25x=48 x-35%x=0.25 x-1.75x=0.25 x-0.25x=15 X-0.25x=0. x-0.25x=2.4 (x-3.6)/x=0.25