Linked from
The 24 pages that link to Linear combination, each with the reason it gives.
Vector spaceRelated: Linear combinations are the basic expressions formed from vectors and scalars.
Gaussian eliminationRelated: Row replacement combines equations using scalar multiples.
VectorRelated: Every vector in a span is built from selected vectors by this operation.
Scalar multiplicationRelated: It combines scalar multiplication with vector addition.
Column spaceNarrower topic: Every vector in a column space is formed by combining columns this way.