Question

-78 - (-45) - (-62) - 27 =?
158
2

Explanation:

Step1: Simplify double - negatives

$-78-(-45)-(-62)-27=-78 + 45+62 - 27$

Step2: Combine positive and negative terms

$(-78-27)+(45 + 62)=-105 + 107$

Step3: Calculate the result

$-105 + 107=2$

Answer:

2