Which of the following was not one of the four positions in president washington cabinet?
a.) secretary of war
b.) secretary of the interior
c.) secretary of state
d.) attorney general

B.) Secretary of the Interior

Explanation:

President George Washington was in office for eight years from 1789 and untill 1797, he is considered as one of the founding fathers of the nation and he was the first president of the United States, the secretary of the interior wasn´t created untill 1849 by the president Zachary Taylor, and the first secretary of interior was Tomas Ewing.

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