Nancy needs to complete 3/4 of her homework by 5: 00. so far she has completed 1/3 of it. what part of her homework must she still complete by 5: 00?

change 3/4 to 9/12 and then change 1/3 to 4/12 to make them common factors. subtract 9/12 from 4/12 and you get 5/12.

3/4=9/12

1/3=4/12

9/12-4/12= 5/12

x = -3

y = -18

step-by-step explanation:

to solve by substitution, substitute one variable and solve for the other. then substitute again to find the remaining variable.

x-1/3(3x-9) = -3 since y=3x-9 substittute y.

x-1/3(3x-9)=-3

x + x +3 = -3

2x+3=-3

2x+3-3= -3-3

2x=-6

x=-3

substitute again into y=3x-9

y=3(-3)-9

y=-9-9

y=-18

if the angular bisector of an triangle bisects the opposite side, prove that the other two sides are equal.