Answer:
Option 1,2,5 and 7 are correct.
Step-by-step explanation:
To find : Which of the following expressions are equivalent to the expression 4x + 8?
Solution :
We solve every given options,
1) [tex]4(x+2)[/tex]
[tex]4(x+2)=4x+8[/tex]
It is equivalent.
2) [tex]6x+8-2x[/tex]
[tex]6x+8-2x=4x+8[/tex]
It is equivalent.
3) [tex]4x+2[/tex]
It is not equivalent.
4) [tex]2(2x+8)[/tex]
[tex]4x+16[/tex]
It is not equivalent.
5) [tex]3x+9+x-1[/tex]
[tex]3x+9+x-1=4x+8[/tex]
It is equivalent.
6) [tex]4(x+8)[/tex]
[tex]4(x+8)=4x+32[/tex]
It is not equivalent.
7) [tex]2(2x+4)[/tex]
[tex]2(2x+4)=4x+8[/tex]
It is equivalent.
Therefore, Option 1,2,5 and 7 are correct.
