(11x+24)×9分之8=12x

问题描述:

(11x+24)×9分之8=12x

(11x+24)*8/9-12x=0
88x/9+192/9-12x=0
88x/9-12x=-192/9
-20/9x =-192/9
x=9.6

(11x+24)×8/9=12x
11x+24=12x÷8/9
11x+24=12x·9/8
11x+24=27x/2
24=27x/2-11x
24=(27x-22x)/2
5x/2=24
x=24÷5/2
x=24×2/5
x=48/5

直接算不就行了,,,

原式=(11x+24)*8=9*12x
48=5x
x=9.6

(11x+24)×9分之8=12x (两边同乘以4分之9)
2(11x+24)=27x
22x+48=27x
22x-27x=-48
-5x=-48
x=9.6