X + 9/30 = 19/30 - 7/30 = 12/30
X = 12/30 - 9/30
X = 3/30
--------------------------------------------------
19/30 - (3/30 + 9/30) = 7/30
7/30=7/30
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
X + 9/30 = 19/30 - 7/30 = 12/30
X = 12/30 - 9/30
X = 3/30
--------------------------------------------------
19/30 - (3/30 + 9/30) = 7/30
7/30=7/30