Question

I have 5 questions:

1. Add the two expressions.
8k + 4 and 3k + 8
2.Add the two expressions.
6q + 1 and q + 11
3.Add the two expressions.
−4.2x+3 and 2.5x−6
4.Subtract h + 3 ​​from​ 6h + 1.
5.Subtract −b+3 ​​from −11b−4 ​.
PLEASE ANSWER AS SOON AS POSSIBLE EVEN IF YOU ONLY KNOW SOME OF THE PROBLEMS!

Answer 1

8k+4 + 3k+8 = 11k+12
6q+1 + q+11 = 7q+12
-4.2x+3 + 2.5x-6= -1.7x-3
6h+1 -( h+3) = 5h-2
-11b-4 - (-b+3) = -10b-7

Answer 2

QUESTION 1


We want to add the following expressions:


`8k + 4`
and


`3k + 8`



We set up the addition as follows:



`(8k + 4 ) + (3k + 8)`



We regroup the terms to obtain;



`= 8k + 3k + 4 + 8`


We simplify to obtain,


`= 11k + 12`


QUESTION 2


We want to add


`6q + 1`
and


`q + 11`


We add to obtain,



`(6q + 1) + (q + 11)`


We re group the terms to get,


`= 6q + q + 11 + 1`


We simplify to obtain,


`= 7q + 12`


QUESTION 3

The given expressions are


`- 4.2x + 3`

and


`2.5x - 6`


We add to obtain,




`(- 4.2x + 3) + (2.5x - 6)`


We regroup like terms to obtain,



`= - 4.2x + 2.5x - 6 + 3`



We simplify to get;



`- 1.7x - 3`


QUESTION 4

We want to subtract


`h+ 3`

from


`6h + 1`


We subtract to obtain;


`= (6h + 1) - (h + 3)`


We expand the bracket using the distributive property to obtain,



`= 6h + 1 - h - 3`


We regroup the like terms to obtain,



`= 6h - h + 1 - 3`


`= 5h -2`




QUESTION 5

We want to subtract



`-b + 3`

from


`- 11b - 4`


We subtract to obtain


`( - 11 b- 4) - ( - b + 3)`


We expand the brackets to get,


`= - 11 b- 4+ b - 3`


We regroup the like terns to get,



`= - 11 b+ b - 3 - 4`


This simplifies to;



`= - 10 b - 7`