1) 12х-5х=3,192
2)7х+5х+0,28=9,1
3)6х-14,7=22,05
4)7,48-16х=2,68

1) 12х-5х=3,1927x=3.192x=3.192:7x=0.4562)7х+5х+0,28=9,1 12x=9.1-0.2812x=8.82x=8.82:12x=0.7353)6х-14,7=22,056x=22.05+14.76x=36.75x=36.75:6x=6.1254)7,48-16х=2,6816x=7.48-2.6816x=4.8x=4.8:16x=0.3

1) 12x - 5x = 3,1927x = 3,192x = 3,192 ÷ 7x = 0,4562)7x + 5x + 0,28 = 9,112x = 9,1 - 0,2812x = 8,82x = 8,82 ÷ 12x = 0,7353) 6x - 14,7 = 22,056x = 22,05 + 14,76x = 36,75x = 36,75 ÷ 6x = 6,1254) 7,48 - 16x = 2,68- 16x = - 7,48 + 2,68- 16x = - 4,816x = 4,8x = 4,8 ÷ 16x =0,3