Use row-reduction to compute the inverse of the matrix below, if it exists, and confirm your answer by 1 d - b comparison with the formula ad-bc 21 96 a b c d 21 96 -C a Set up the correct augmented matrix needed in order to find the inverse by row-reduction. (Type integers or simplified fractions.) if ad-bc # 0.

Solve for x.   a. x plus 2 and one half equals 3 and one fifth b. x minus 2 and two thirds equals five sixths

Solve. 6/x+1=8

10 m₁ - m₂ =5 m₁+ m2 Solve for m₁