How did the trade exchanges affect the city of timbuktu? a. it became a center for learning. b. it saw a rise in crime from the aggressive arab merchants who stopped there. c. it became a haven for those who did not convert to islam. d. trade exchanges took wealth out of the city.

A.It became a center for learning.

The trade exchanges had a number of positive influences on the city of Timbuktu. The city started becoming wealthy as a result of trade. IT also sparked education and made the city a center of learning. Its wealth also attracted many people from outside and made the city powerful

A) It became a center for learning

With all the trade that went on there, it rapidly became a great place for learning. Religions, languages, ideas, philosophies, etc. were swapped there. Young men were sent there to learn about these things and as time progressed, it also became a capital trade center as well.

simplify brackets

8 - 2a - 7 = a + 40

simplify 8 - 2a - 7 to -2a + 1

-2a + 1 = a + 40

add 2a to both sides

1 = a + 40 + 2a

simplify a + 40 + 2a to 3a + 40

1 = 3a + 40

subtract 40 from both sides

1 - 40 = 3a

simplify 1 - 40 o -39

-39 = 3a

divide both sides by 3

-39/3 = a

simplify 39/3 to 13

-13 = a

switch sides

a = -13