PLEASE SHOW WORK
ALSO DO THE CHECK YOUR WORK BOX

Answer:
Hey there fella!
I can do you the 1st and it will help you do the rest
Step-by-step explanation:
[tex]multiply \: 2 \: with \: x + 4 \\ we \: get \: 2x + 8 \\ put \: the \: rest \: equation \\ 2x + 8 + 3 = 8 \\ 2 x + 11 = 8 \\ take \: the \: 11 \: to \: other \: side \: \\ the \: sign \: will \: change \\ 2x = 8 - 11 \\ 2x = 3 \\ 2 \: is \: getting \: multiplied \: with \: x \: so \: it \: will \: be \: divided \: with \: 3 \\ x = \frac{2}{3} \\ x = 1[/tex]
I hope this is clear to you if not ask me questions I will be sure to help!