2)5 (567,1 10,1) 10,2 + 1000x = 51 607

5 \times (567.1 - 10.1) \times 10.2 + 1000x = 51607 \\ 51 \times 557 + 1000x = 51607 \\ 28407 + 1000x = 51607 \\ 1000x = 51607 - 28407 \\ 1000x = 23200 \\ x = 23200 \div 1000 \\ x = 23.2