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(1*5)+(2*6)+(1*10)+30x/30=1
5+12+10+30x=12*30
30x+27=360
30x= 360-27
30x=333
x= 333/30 = 111/10
1/6+2x/3-2/9=1
(1*3)+2x*6)-(2*2)/18=1
3+12x-4=18
12x=18-3+4
12x=19
x=19/12 ó 1 y 7/12