60X-(60X÷3+60X÷4+30)=(X÷3+X÷4+30)÷5
60x-60x/3-60x/4-30=(x/3+x/4+30)÷5
60x(1-1/3-1/4)-30=(7x/12+30)÷5
(25x-30)*5=7x/12+30
125x-150=7x/12+30
125x-7x/12=-180
1500x-7x=-2160
1493x=-2160
x=-2160/1493