Question

решите уравнение 0,15(x-4)=9,9-03(x-1)

Answer 1

0.15х-0.6=9.9-0.3х+0.3; 0.15х+0.3х=9.9+0.3+0.6; 0.45х=10.8; х= 10.8/0.45; х= 24