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oee [108]
3 years ago
13

Simplify and then evaluate.

Mathematics
1 answer:
lozanna [386]3 years ago
4 0

Answer:

The simplified expression is -4x and the value is -516

Step-by-step explanation:

−12x+14x−6x

Combine like terms

2x-6x

-4x

Let x =129

-4*129

-516

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