Determine a basis for the subspace S of R4 consisting of all

Last updated: 7/14/2022

Determine a basis for the subspace S of R4 consisting of all solutions to the linear system -2X1 + 3X2 - 4X3 + X4 = 0 2X1-4X2+6X3 + 2X4 = 0 What is the dimension of S?