jdelgado50 jdelgado50 28-11-2022 Mathematics contestada can someone help me with theses 2 problems please and asap 1) -2r-6s+5t=-3 4r-2s-4t=18 r+4s+1=-19 solve each system by elimination 2) r-s+3t=10 -6r+4s-4t=-10 6r+2s+2t=16 solve each system by elimination