HP 48G Series Quick Start Manual page 68

Step 3: Enter the vector of constants (B) and solve the system.
13 (ENTER) nia lA te
SOLVE 2: [ERE 1
ENTER SOLUTIONS OF PRESS SOLVE
ECT choos] | [SOLVE
Step 4: Exit the SOLVE application and view the results on the
stack.
fbi
III
5-12 Solving Equations