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05.09.2021 •
Mathematics
Solve the problem.
The sum of two consecutive integers is -371. Find the larger integer.
-187
-186
-184
-185
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Ответ:
-185 (choice D)
Explanation:
x = first integerx+1 = second integerNote how x+1 follows immediately after x. That's what "consecutive" means by definition. An example of consecutive integers would be 7,8,9,10.
Adding those two said integers will lead to -371
first+second = -371
x+(x+1) = -371
2x+1 = -371
2x = -371-1
2x = -372
x = -372/2
x = -186
x+1 = -186+1 = -185
Note how -186+(-185) = -371 to confirm the answer.
The two consecutive integers that add to -371 are -186, -185. The larger of the two is -185 since it's more to the right on the number line.
Ответ: