Ab is congruent to de so the second choice
Answer:
17n-35
Step-by-step explanation:
20n-55-3n-20=17n-35
Answer:
An integer is a whole number (not a fractional number) that can be positive, negative, or zero.
Since it's a decimal it can not be an integer.
Solution:

Numerator - 4x + y = 8 + 4 = 12
Denominator - 2y - x = 8 - 2 = 6
Final Answer:
12/6 = 2