steemitboard (66)in #math • 6 years agoRE: Solving Simultaneous Equations - EliminationCongratulations @mrmarcok! You have completed the following achievement on the Steem blockchain and have been rewarded with new badge(s) : published your First Post got a…siddharthrout (45)in #math • 6 years agoRE: Solving linear inequationsYou have to upload videos on d.tube platform Posted using Partiko Android