1) (5х-1)*1.6=1.8х-4.7
8x-1.6-1.8x+4.7=0
6.2x-1.6+4.7=0
6.2x+3.1=0
x=-3.1/6.2x=-0.5
2) 0.3*(8p-5k)-2/9*(4.5p-3.6k)=2.4p-1.5k-p+0.8k=1.4p-0.7k
1) (5х-1)*1.6=1.8х-4.7
8x-1.6-1.8x+4.7=0
6.2x-1.6+4.7=0
6.2x+3.1=0
x=-3.1/6.2
x=-0.5
2) 0.3*(8p-5k)-2/9*(4.5p-3.6k)=2.4p-1.5k-p+0.8k=1.4p-0.7k