Question

Incorrect work - 30 + (-30) + 15

-60 + 15
= -45
what is the error?

please show correct work/ solution

Answer 1

-45 is correct !!!!!!!!

Answer 2

Explanation:

The error in the calculation is that the expression "-30 + (-30)" was simplified as "-60" instead of "-60 + 15".

The correct computation for the expression "-30 + (-30) + 15" is as follows:

-30 + (-30) + 15

= -60 + 15

= -45

Therefore, there is no error in the given calculation. The result -45 is correct.