Equivalent equations and inequalities
Summary
- a=b⟺a=b⟺ a+c=b+ca+c=b+c
- a=b⟺a=b⟺ a−c=b−ca−c=b−c
- a=b⟺a=b⟺ a⋅c=b⋅ca⋅c=b⋅c ( c≠0c≠0 )
- a=b⟺a=b⟺ a/c=b/ca/c=b/c ( c≠0c≠0 )
- a≤b⟺a≤b⟺ a+c≤b+ca+c≤b+c
- a≤b⟺a≤b⟺ a⋅c≤b⋅ca⋅c≤b⋅c ( c>0c>0 )
- a≤b⟺a≤b⟺ a⋅c≥b⋅ca⋅c≥b⋅c ( c<0c<0 )