Question

15*x=12645. x+156897=689324. 756981-x=325647. x*18=51372. 21228:x=12

Answer 1

1. х=843

2. х=532427

3. х=431334

4. х=2854

5. х=1769 

Answer 2

15*х=12645
х=12645:15
х=843
х+156897=689324
х=689324-156897
х=532427
756981-х=325647
х=756981-325647
х=431334
х*18=51372
х=51372:18
х=2854
21228:х=12
х=21228:12
х=1769