1)5 1/3*(у-8)=8/27*11 4/7 16/3*(у-8)=8/27*81/7 16/3*(у-8)=24/7 У-8=24/7:16/3=24/7*3/16 У-8=9/14 У=9/14+8 У=8 9/14 2)3/20*(х-15)=10/33*19 4/5 3/20(х-15)=10/33*99/5 3/20(х-15)=6 Х-15=6:3/20=6*20/3 Х-15=40 Х=40+15 Х=55 3)2,5(х-19)=5 5/9*7 1/5 2,5(х-19)=50/9*36/5 2,5(х-19)=40 Х-19=40:2,5 Х-19=16 Х=19+16 Х=35
Copyright © 2025 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
1)5 1/3*(у-8)=8/27*11 4/7 16/3*(у-8)=8/27*81/7 16/3*(у-8)=24/7 У-8=24/7:16/3=24/7*3/16 У-8=9/14 У=9/14+8 У=8 9/14 2)3/20*(х-15)=10/33*19 4/5 3/20(х-15)=10/33*99/5 3/20(х-15)=6 Х-15=6:3/20=6*20/3 Х-15=40 Х=40+15 Х=55 3)2,5(х-19)=5 5/9*7 1/5 2,5(х-19)=50/9*36/5 2,5(х-19)=40 Х-19=40:2,5 Х-19=16 Х=19+16 Х=35