Activity 1 : Complete Me Directions write the statement or a reason and two column proof used two different definitions postulates theorems in geometry to support the given statement. Paki ANSWER naman​

-7/8

step-by-step explanation:

instead of subtracting you add the -6/8 and -1/8

option (b) is correct

step-by-step explanation:

to find the solution of this system, we need to convert it into reduced row-echelon form. we have,

after applying row operations r2 -> r2/2 and r3 -> r3/3, we get,