Use Gaussian elimination to find the complete solution to the system of equations, or state that none exists. Show your work.
x+4y+6z =-32
5x+3y+9z = 20
2 answers
When you want to solve system with three unknowns you must write three equations, not two.
Yeah But I already did the first one , sorry. The first one is 4x-y+3z = 12
16 answers