Answer:
D
Step-by-step explanation:
There can be infinite solutions
A: yes, because the opposite sides are congruent and parallel, it is a parallelogram.
b: yes, because the diagonals bisect each other, it is a parallelogram.
Combine like terms, Simplify.
2r - 4r = -2r
1 + 7 = 8
-2r + 8 is your answer
hope this helps
Answer:if u I simplified then 17x
Step-by-step explanation:
Like terms are 10+7=17+x=17x