Question

4015 +(-2050)+(-2050)+85

Answer 1

4015 - 2050 - 2050 +85
1965 - 1965
0 is answer.
hope it helps u..✌✌

Answer 2

hi mate....,,,

=4015 +(-2050)+(-2050)+85
=1965+(-1965)
=0

so 0 is your answer