Question

19/11×[19/11×（5/x-1)-11]-8=x 请写明去括号后的式子

Answer 1

11分之19×[19分之11×（5分之x-1）-11]-8=x

[(5分之x-1）-11(19/11)]-8=x

[(5分之x-1）-19]-8=x

(5分之x-1）-27=x

(5分之x-1）-x = 27

(x/5-1）-x = 27

(-4x/5-1） = 27

-4x/5 = 28

-x/5 = 7

-x = 35

x = -35