Ответы и объяснения

2013-05-29T17:08:45+04:00

4/15(1,5х+3/8)-0,77(8/11х-3/7)=

=4/15(3/2х+3/8)-77/100(8/11х-3/7)=

=2/5х+1/10-14/25х+33/100=

=-4/25х+43/100=

=-0,16х+0,43