Решите уравнение 7x+2,4=34,6 (y-1,8):8=0,7. Пж
1) 7x+2.4=34.6 7x=34.6-2.4 7x=32.2 x=32.2/7 x=4.6 2) (y-1.8)/8=4.6 y-1.8=5.6 y=5.6+1.8 y=7.4
7x=34.6-2.4 7x=32.2 x=32.2÷7 x=4.6