解方程(6*x+180)/(5*x+30)=1.5

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解方程(6*x+180)/(5*x+30)=1.5
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解方程(6*x+180)/(5*x+30)=1.5
解方程(6*x+180)/(5*x+30)=1.5

解方程(6*x+180)/(5*x+30)=1.5
(6x+180)/(5x+30)=1.5
2(6x+180)=3(5x+30)
12x+360=15x+90
15x-12x=360-90
3x=270
x=90

6x+180=1.5(5x+30)
6x+180=1.5*5x+1.5*30
6x-7.5x=45-180
1.5x=135
x=90