Question

Simplify the following.
(a) (-78)+90 +(-12)+85
(b) 123+(-99)+(-100)+(-10)+88​

Answer 1

(a) solution :-

=-78+90-12+85

=12+73

=85

(b) solution:-

=123-99-100-10+88

=123-199-10+88

=-76+78

=2

hope help you

Answer 2

Answer:

(-78)+90+(-12)+85

=-78+90-12+85

=12+73

=85

123+(-99)+(-100)+(-10)+88

=123-99-100-10+88

=24-100+78

=24-22

=2

Hope it will help u.....