Question

2/3(1 1/2x+3/5) - 4/5(5/12x - 1/2) = 1 3/5

Answer 1

1.) 2/3*3/2x+2/3*3/5-4/5*5/12x+4/5*1/2=1 3/5
2.) (2*3/3*2)x+2*3/3*5-(4*5/5*12)x+4*1/5*2=1 3/5
3.) сокращается и получаем
х+2/5-1/3х+2/5=8/5
4.) групируем: х-1/3х=8/5-2/5-2/5
5.) 2/3х=4/5
6.) х=4/5÷2/3
7.) х=4*3/5*2
8.) х=6/5=1 1/5