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

8.8

(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

(5-1/3)x+(5-1/2)(x-3)=3*23
14/3x+9/2x-13.5=69
55/6x=82.5
x=9