9(x-1)=x+15 (11x+14)-(5x-8)=25
9(х-1)=х+15 9х-9=х+15 9х-х=15+9 8х=24 х=24:8 х=3 (11х+14)-(5х-8)=25 11х+14-5х+8=25 11х-5х+14+8=25 6х+22=25 6х=25-22 6х=3 х=3:6 х=0.5