Solving 3-Variable Systems using Elimination
Solve the following 3-Variable System using Elimination.x+y-2z=5-x+2y+z=22x+3y-z=9 Fill in the missing numbers for intersection:(1,2,-1) Solve the following 3-Variable System using Elimination.x-2y+3z=9-x+3y=-42x-5y+5z=17 Fill in the missing numbers for intersection:(1,-1,2)