Question

15+23+(-25)+(-23)

Answer 1

15 + 23 + (-25)+(-23)

=15 + [ 23 + (-23)] + (-25)

=15+0+(-25)

= 15 + (-25)

= -10.

Answer 2

\(15+23+\left(-25\right)+\left(-23\right)\)

\(=15+\left(-25\right)+23+\left(-23\right)\)

\(=-10\)

Answer 3

15+23+(-25)+(-23)

=38-25-23

=13-23

=(-10)

Answer 4

15 + 23 + (-25) + (-23)

= [15 + (-25)] + [23 + (-23)]

= -10 + 0

= -10