Answer:
Answer: x is -9
Step-by-step explanation:
If it's a line AC with a point B between;
AC = AB + BC
substitute in terms of x :
[tex]8 = (2x + 20) + (2x + 24)[/tex]
group x terms in a same bracket, and constants in their bracket
[tex]8 = (2x + 2x) + (20 + 24) [/tex]
operate the brackets:
[tex]8 = 4x + 44[/tex]
subtract 44 from both sides:
[tex]8 - 44 = (4x + 44) - 44 [/tex]
simplify:
[tex] - 36 = 4x[/tex]
divide all sides by 4:
[tex] \frac{ - 36}{4} = \frac{4x}{4} \\ \\ x = - 9[/tex]
