Question

segment addition postulate practice
solve for x.
n x - 6 m 9 l 2x - 19 k
23
x =

Explanation:

Step1: Apply segment - addition postulate

$(x - 6)+9+(2x - 19)=23$

Step2: Combine like - terms

$x+2x-6 + 9-19=23$
$3x-16 = 23$

Step3: Add 16 to both sides

$3x-16 + 16=23 + 16$
$3x=39$

Step4: Divide both sides by 3

$\frac{3x}{3}=\frac{39}{3}$
$x = 13$

Answer:

$13$