Respuesta :

Answer:

x= - 6 (c)

Step-by-step explanation:

f(x)= 2/3x + 7

x        f(x)

-12       -1

-9         1

-6        3

-3        5

g(x) = 2x+15

x        f(x)

-12       -9

-9        -3

-6         3

-3         9

answer is x = -6

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