解方程(5-1/3)x+(5-1/2)(x-3)=3*23
问题描述:
解方程(5-1/3)x+(5-1/2)(x-3)=3*23
答
8.8
答
(5-1/3)x+(5-1/2)(x-3)=3*23
14X/3+9/2(X-3)=3*23
28x+9(x-3)*3=6*3*23
28x+27x-81=18*23
55x=18*23+81
x=(18*23+81)/55
x=9
答
(5-1/3)x+(5-1/2)(x-3)=3*23
14/3x+9/2x-13.5=69
55/6x=82.5
x=9