1) 1,5х+2,5у=75
1,5+2,5у-75=0
15х+25у-750=0
решение:
3х+5у-150=0
2)1:20х+1:6у=3
1:20×х+1:6×у=3
1:20х+1:6у=3
3х+10у=180
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
1) 1,5х+2,5у=75
1,5+2,5у-75=0
15х+25у-750=0
решение:
3х+5у-150=0
2)1:20х+1:6у=3
1:20×х+1:6×у=3
1:20х+1:6у=3
3х+10у=180