0.36:1.5=2.1/x

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0.36:1.5=2.1/x
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0.36:1.5=2.1/x
0.36:1.5=2.1/x

0.36:1.5=2.1/x
0.36:1.5=2.1/x
x=1.5x2.1÷0.36
x=8.75

x=35/4也就是8.75

0.3+0.3x=0.39 x= 2x-1.5x=7.6x x= 0.36x÷0.3=1.2 x=6（x+1.2)=18.6 x= 7x+2x = 8.1 x= (x-5）÷3=1.7 x=5（x+1.1)=15.5 x= 9x+25=70 x= 7x-4x=2.1 x= 0.36:1.5=2.1/x x+ x+(x*50%)=1.5X? 解方程：8x-3x=105 x-0.36x=16 13.2x+9x=33.3 2x+1.5x=17.5 2x+1.5x=17.5 2x-x=41.6 解方程：8x-3x=105 x-0.36x=16 13.2x+9x=33.3 2x+1.5x=17.5 2x+1.5x=17.5 2x-x=41.6 x-0.36x= x-0.36x=1.6 x=? X-0.36X=16,求X 3.6x*(2.1-x)=4.8x 1.5x=x-1.6＊x x+(x-1.4)+1.5x=33. 30/x=30/(x-1.5)-x X-0.36X=16, x-0.36x=16 x-0.36x=32 x-0.36x=16 x-0.36x=1.6 x-0.36x=3.2