Learning Path for Algebra 19

The following is a list of all proofs that are used to prove either Algebra 19 or its ancestor proofs.

Substitution 2
Substitution 6
Transitive Property of Equality Variation 2
Subtract Both Sides Pre 1
Subtract Both Sides 2
Subtract Both Sides Pre 3
Subtract Both Sides Pre 2
Subtract Both Sides
Algebra 19
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