а) 3/4-(х+1/12)=1/5
0.75-(х+1/12)=0.2
х+1/12=0.75-0.2
х+1/12=0.55
х=0.55 - 1/12
х=7/15
X= 1/2
б) 5 1/3x-1=1(1,9)
5 1/3x=2(1,9)
X=2(1,9) : 5 1/3
X=1/2
а) 3/4-(х+1/12)=1/5
0.75-(х+1/12)=0.2
х+1/12=0.75-0.2
х+1/12=0.55
х=0.55 - 1/12
х=7/15
X= 1/2
б) 5 1/3x-1=1(1,9)
5 1/3x=2(1,9)
X=2(1,9) : 5 1/3
X=1/2