thavachelvanrekan thavachelvanrekan
  • 15-12-2021
  • Mathematics
contestada


Prove algebraically that 7(n+2) – 3(n + 4) is always even

Respuesta :

Yang100
Yang100 Yang100
  • 15-12-2021

Answer:

Step-by-step explanation:

7(n+2)-3(n+4)

7n+14-3n-12

7n-3n+14-12

4n+14-12

4n+2

2(2n+1)

2(m)

2m where m=2n+1.

Thus 7(n+2)-3(n+4) is always even.

Answer Link

Otras preguntas

What three islands are located off the East African coast
How does transpiration play a  role in the water cycle ?
Solving systems by elimination: 2x + 4y = -4 3x + 5y = -3 Please show me your work so I can do the rest myself. Thanks!
What are two different ways to describe and label the layers of the Earth?
How does transpiration play a  role in the water cycle ?
What three islands are located off the East African coast
A pound of seedless red grapes costs $2.75. Drew must spend less than $9.35 on a bunch of seedless red grapes.Inequality:Solution:Interpretation:
Trying to translate word problems. Five times the sum of 3 and twice some number is 70. what is the number?
How many minutes are in 36 hours?
Rewrite the function c(x) =9(x+3) using the distributive property