Answer:
Bartering is the act of trading one good or service for another without using a medium of exchange such as money
Answer: B
Step-by-step explanation:
ez
The solution is a=4
-2(1+5a)=-6(a+3)
-2-10a=-6a-18
+18 +18
16-10a=-6a
+10a +10a
16=4a
divide by 4
4=a
