Answer:
Step-by-step explanation:
P = pigs D = ducks
P + D = 17
P = 17 – D
4P + 2D = 50 because pigs have 4 feet
and ducks have 2 feet.
4(17 – D) + 2D = 50
68 – 4D + 2D = 50
.68 – 2D = 50
–2D = –18
D = 9
P = 17 – D
P = 17 – 9
9 = 17 – D
D = 8
Answer:
x-1
Step-by-step explanation:
(3)(2)+5x-(5)(2)-4x+5-2
=6+5x-10-4x+5-2
=x-1
Answer: 16-7
Step-by-step explanation:
Answer:
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Step-by-step explanation:
I dont know
I dont know I dont know I dont know I dont know I dont know I dont know I dont know I dont know I dont know I dont know I dont know I dont know