After presenting a reason and evidence in an argumentative essay, a writer should present the conclusion. a counterclaim. an additional reason. additional evidence.

B is your answer.

Explanation:

After giving many examples and reasons, you have to be able to give a rebuttal, aka a counterclaim to show that not only do you know what you're talking about, you can also point out some positives of the other argument and still come out with the reader agreeing with what you have to say.

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

if i am correct the answer is going to be a) the federal program of reconstruction ended.