Answer:subtraction property
Step-by-step explanation:
Two a negative and a negative makes a positive so it would be x+6=18 so u do the opposite on both sides so it would be subtraction
2800 ÷ 400
Cross out 2 zeros from both numbers, then you have 28 ÷ 4 = 7
240÷15=16 seats at each table
Since there were 15 tables and 240 in total you have to divide to find the number of seats at a table
(–2) + 6 + 1 = 1 + 6 + (–2) is B.Commutative Property
hopefully this will help ( ;
