Respuesta :

jennychrin95

Tbh i'll give it a try.

f(x) = -2x + 15

-4 = -2x + 15

-15           -15

-19    -2x

--- =  ---

-2      -2

9.5 = x

g(x) = x^2 + 4

-4 = x^2 + 4

-4 = 2x + 4

-4          -4

-8 = 2x

---   ----

2      2

-4 = x

Answer that i think is:

9.5 + (-4) = 5.5

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