2/3*(1,5х+0,6)-0,8*(5/12х-0,5)=1

Question

2/3*(1,5х+0,6)-0,8*(5/12х-0,5)=1

Answer 1

2/3*3/2*х+2/3*3/5-4/5*5/12*х+4/5*1/2=1
х+2/5-х/3+2/5=1
2х/3=1-4/5
2х/3=1/5
х=1/5:2/3=1/5*3/2
х=3/10