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PolarNik [594]
3 years ago
10

Pllllllllllllllllllllllllllllllssssssssssssssssssssssssssssssss helppp ASAP

Mathematics
1 answer:
wel3 years ago
4 0

Answer: substitution

Step-by-step explanation:

Substitute 3 in for x for all equations.

3(3)+4 = 13

8(3)-1 = 23

3(3)+4 =13

Add all of the sides together to find the perimeter

13+23+13 =49

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