Question

Find the sum of (-7) + (-9) + 4 – 16.

Answer 1

Answer:

28

Step-by-step explanation:

-7-9+4-16

-7-5-16

-12-16

-28

Answer 2

To find : sum of $(-7)+(-9)+4-16$

Solution :

• Addition is the arithmetic operation of adding two numbers.

• Addition rules for integers:

1. If two negative integers are to be added then addition operation is performed and sum obtained has negative sign . i.e. $(-)+(-)=-$
2. If one negative and one positive integers are to be added then operation performed is subtraction and difference obtained has sign of greater integer i.e.$(-)+(+)=sign\ of \ greater \ integer$
3. If both positive integers are to be added then operation performed is addition and sum obtained has positive sign  i.e. $(+)+(+)=+$

• Therefore according to above rule we solve.

• $(-7)+(-9)+4-16$  

       $= -7-9+4-16 \\=-16 +4 -16 \\=-28$

Hence, correct answer is $-28$ .