The unkown side legnth is 9 centimeteres long all you had to do was subtract all the numbers from 44 and what your left with is the unknown side.
Answer:
no estoy segura como se debe responder
1 (x + 2y = -20) ----> x*2y= -20
-1 (x + 3y = -27) ----> x-3y= 27
(0) x + (-1) y = 7
Seven hundred seventy thousand and seventy
Answer:
3x-4y-6x+28y
-3x-6x-4y+28y
-9x+24y
Step-by-step explanation: