16.9/x=13怎么解方程

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16.9/x=13怎么解方程16.9/x=13怎么解方程16.9/x=13怎么解方程1.2/9×(x+1)=6=>(x+1)=6*9/2=27=>x=27-1=262.x=1.2*4/13

16.9/x=13怎么解方程
16.9/x=13怎么解方程

16.9/x=13怎么解方程
1.2/9×(x+1)=6
=> (x + 1) = 6 * 9/2 = 27
=> x = 27 -1 = 26
2.x = 1.2 * 4/13 = 4.8/13 = 48 / 130 = 24 / 65
3.
16.9×(3 - 2x)=0
=> 3(16.9)- 2(16.9)x = 0
=> 3(16.9) = 2(16.9)x
=> x = 3(16.9)/2(16.9) = 3/2