A) Look at this expression. 4a + 5 + 4a
Select the expression below that shows it written as simply as possible.
8(a + 5)
A
13a
B.
5
С
8a + 5
D
20a
E
b) Look at this other expression. 2c + 6 + 3c-4
Simplify this expression as much as possible.

1.
2.

Step-by-step explanation:

Given the following questions:




In order to simplify the two expressions, we have to group the terms that have similar variables, and then combine those terms by adding/subtracting the numbers that have the similar variables.

Number one:





Number two:







Hope this helps.

he spend 5.1 minutes chatting with his friends.

step-by-step explanation:

2/5+1/2=9/10

6/1-9/10=5.1

50.6

step-by-step explanation: