Respuesta :

aswan4490

Answer:

Y = 14

Step-by-step explanation:

1/2(-9 + y) = 2.5

1/2 * -9 = -4.5

1/2 * y = 0.5y

-4.5 + 0.5y = 2.5

+4.5             +4.5

0.5y = 7

/0.5   /0.5

y = 14

epifaniaasiata

Answer:

[tex] \frac{1}{2} ( - 9 + y) = 2.5 \\ - 4.5 + 0.5y = 2.5 \\ minus \: - 45 \: both \: sides \: of \: the \: equation \\ \frac{0.5y}{0.5} = - \frac{ 7}{0.5} \\ y = 14[/tex]