Answer:
-1 
Step-by-step explanation:
4x-8y=15
4x-8y-4x=15-4x
-8y=15-4x
-8y/-8=15-4x/-8
y=-1 7/8+1/2x
slope is -1 7/8
Answer:
2 times 11 times 3511
Step-by-step explanation:
i kinda dont know what your asking but i tried
66 elephants and 22 giraffes; 22x3= 66, 22+66= 88
Answer:
x=67
y=113
z=50
Step-by-step explanation:
x=180-28-85=67
y=180-67=113
z=17+113=50