Respuesta :

-22

1) Gathering the data

x-y+z

x=-6

y=4

z=-12

Since we're not evaluating for any especific variable but all of them, we know their values, all that's left is:

2)To plug them in within parentheses:

(-6)-(4)+(-12)

-6-4-12

-10-12

-22

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