Answer: -11x+8
Step-by-step explanation:
Answer:
B
all sides are the same
8 - 7x^2 + 3 = 4x^2 - 1
8+3-7x^2 = 4x^2-1
11-7x^2 = 4x^2-1
B. Commutative property of addition
We can swap numbers and obtain the same results.
In this case, we swapped 8+3 and added them.
-.51, .1/2, .42, 11/20
