Решить (m-32.6)*2.4=1.8и3.5x+2.2x=4.56
(m-32,6)*2,4=1,8 2,4m-78,24=1,8 2,4m=1,8+78,24 2,4m=80,04 m=80,04:2,4 m=33,35 ================= 3,5x+2,2x=4,56 5,7x=4,56 x=4,56:5,7 x=0,8