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](/uploads/image/z/14841686-38-6.jpg?t=%E8%A7%A3%E6%96%B9%E7%A8%8B%286%2Ax%2B180%29%2F%285%2Ax%2B30%29%3D1.5)
(6x+180)/(5x+30)=1.5
2(6x+180)=3(5x+30)
12x+360=15x+90
15x-12x=360-90
3x=270
x=90
2(6x+180)=3(5x+30)
12x+360=15x+90
15x-12x=360-90
3x=270
x=90