1. (1 5/18-2 4/27)*5,4х=9 1/2+2 1/4=2,5
1. 1 5/18-2 4/27=-47/54
2. 47/54 *5,4х=-4,7х
3. 9 1/2 +2 1/4= 11 3/4
4. -4,7х=11 3/4
5. х = 11 3/4: -4,7=-2,5
2. х:(9/34-1 20/51)=-2 1/5+5/23
1. 9/34- 1 20/51= 1,127
2. х/1,127=-1,98
3. х=-1,98/1,127=-1,757
1. (1 5/18-2 4/27)*5,4х=9 1/2+2 1/4=2,5
1. 1 5/18-2 4/27=-47/54
2. 47/54 *5,4х=-4,7х
3. 9 1/2 +2 1/4= 11 3/4
4. -4,7х=11 3/4
5. х = 11 3/4: -4,7=-2,5
2. х:(9/34-1 20/51)=-2 1/5+5/23
1. 9/34- 1 20/51= 1,127
2. х/1,127=-1,98
3. х=-1,98/1,127=-1,757