4/7(0,56-4,2y)+0,4=5/13(0,52-6,5y)
4/7*(14/25-21/5y)+2/5=5/13*(13/25-13/2y)
8/25-12/5y+2/5=1/5-5/2y
18/25-12/5y=1/5-5/2y
36-120y=10-125y
-120y+125y=10-36
5y=-26
y=-26/5
y=-5,2
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Verified answer
4/7(0,56-4,2y)+0,4=5/13(0,52-6,5y)
4/7*(14/25-21/5y)+2/5=5/13*(13/25-13/2y)
8/25-12/5y+2/5=1/5-5/2y
18/25-12/5y=1/5-5/2y
36-120y=10-125y
-120y+125y=10-36
5y=-26
y=-26/5
y=-5,2