Solve 3 r 1 (- r 3 2 r 5 4 July 8, 2019 16 32 64 128 Solve 3 by 3 Solve a 3 x 3 2 1 r−3=3(4− 2 3 r) solve for r 2 1 r−3=3(4− 2 3 r) answer
