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stich3 [128]
3 years ago
11

The side lengths of a triangle can be modeled by the following expressions.

Mathematics
1 answer:
Aloiza [94]3 years ago
5 0
(3x-1)+(x+9)+(12x-4)=52
16x+4=52
16x=48
x=3
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Step-by-step explanation:

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