Question

evaluate: 1. (-16) + 9
2. (-7)+(-23)
3. (-32)+47​

Answer 1

Answer:

$1. - 16 + 9$

$= - 7$

$2. - 7 + - 23$

$- 30$

$3. - 32 + 47$

$15$

Answer 2

Answer:

1.

-7

2.

-30

3.

15

Step-by-step explanation:

1.

(-16) + 9

-16 + 9 =====> different sign subtraction

-7 (Greater sign symbol)

2.

(-7)+(-23)=====> + * - = -

-7-23=====> same sign addition

-30(Greater sign symbol)

3.

-32+47=====> different sign subtraction

15(Greater sign symbol)