Question

2) Simplify.1 - 15 – (-5)

Answer 1

You have the following expression:

1 - 15 - (-5)

To simplify the previous expression, you take into account that you first eliminate the parenthesis, and next you sum and subtract the numbers:

when the parenthesis is eliminated the sing of the number inside changes

1 - 15 - (-5)

= 1 - 15 + 5

= -9