nayasoliman
nayasoliman nayasoliman
  • 19-12-2019
  • Mathematics
contestada

Find the sum and the difference of the following expressions: a+b and a–b

Respuesta :

Yang100
Yang100 Yang100
  • 20-12-2019

Answer:

Step-by-step explanation:

(a+b)+(a-b)=a+b+a-b=a+a+b-b=2a+b-b=2a

Answer: 2a

--------------------

(a+b)-(a-b)=a+b-a+b=a-a+b+b=2b

Answer: 2b

Answer Link

Otras preguntas

Erin needs to make at least a 75 on her semester exam to maintain a B in the class. Which number line correctly represents this situation?
Who got on floor 3 on A long way down
A community swimming pool has a deep end and a shallow end. The volume of water in the deep end can be represented by (2x2+12x+10) ft^3 and the volume of the wa
what percent is 25 out of 75
what is the y intercept of the linear function graphed here​
PLEASEEEE HELPPPPPP!!!!
The cells of both unicellular and multicellular organisms carry out life processes. With respect to life processes, what advantage do multicellular organisms ha
When was Paraguay's flag adopted? Go to Main page.
: Was the increase in the average beak depth caused by an increase in large-beaked finches or a decline in small-beaked finches?
can someone help me solve this pls with work