Esta es la respuesta para A: 7/2, 3/2, 2.5/2, -9/2, -11/2
B. 15/6, 6.7/6, 6.5/6, 6.11/6, 1/6
Answer:
Step-by-step explanation:
3x - 3y = -3
2x - 6y = 2
-6x + 6y = 6
2x - 6y = 2
-4x = 8
x = -2
-4 - 6y = 2
-6y = 6
y = -1
(-2, -1)
First do 70+24=94
Then do 180-94=86
Next 86+54=140
Then 180-140=40
Next 40+80=120
Lastly 180-120=60
X=60