Why does the united states use foreign aid as a tool of foreign policy

Helping other countries give the United States influence over them

Explanation:

It is really like personal relations. When you help someone, many feel like they owe you. Generally, it might seem altruistic, but generally, nothing is when it comes to international relations. By helping poor countries, the US may use this as leverage when it comes to using local resources or positioning their troops and so on.

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