Question

Evaluate the sum: 1 – 2 + 3 – 4 + 5 – 6 + 7 – 8 + 9 – 10. answer with steps get brainliest

Answer 1

Answer:

1-2+3-4+5-6+7-8+9-10

-1+1-1+1-1

-3+2

-1

Answer 2

Answer:

-5

Step-by-step explanation:

1-2+3-4+5-6+7-8+9-10

1+3+5+7+9-2-4-6-8-10

4+5+16-2-4-6-8-10

9+16-2-4-6-8-10

25-2-4-6-8-10

25-2-10-18

25-12-18

25-30

-5