Answer: C
Step-by-step explanation:
[tex]\dfrac{x+2}{15} =\dfrac{x+1}{5}[/tex]
cross multiply: 5(x + 2) = 15(x + 1)
distribute: 5x + 10 = 15x + 15
-5x -5x
10 = 10x + 15
-15 -15
-5 = 10x
[tex]\dfrac{-5}{10}=\dfrac{10x}{10}[/tex]
[tex]-\dfrac{1}{2} =x[/tex]
