Answer:
D. (4,9)
Step-by-step explanation:
x + 1 = -x + (-5)
2x + 1 = -5
2x = -6
x = -3
13_8
if the first number in the decimal is 5 or up then you round up if its 4 or less you round down meaning it would be 13 and 8
it can't pe proven ..... is the right answer of this question...