Respuesta :

Answer:

-1/2

[tex] - \frac{1 }{2} [/tex]

First the two fours cancel out so it's becomes

[tex] \frac{1 - 3}{4} [/tex]

then subtract

[tex] \frac{ - 2}{4} [/tex]

simplify

[tex] \frac{ - 1}{2} [/tex]