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telo118 [61]
3 years ago
6

12) 3 + x + 2x A) 3 + 3x C) 3 + 7x B) -17x D) 3 + 17x​

Mathematics
2 answers:
Alexxandr [17]3 years ago
8 0

Answer:

it's A

have a great day ......

Alona [7]3 years ago
5 0

A) 3 + 3x is the answer.

.. ..

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Step-by-step explanation:

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4 0
3 years ago
Simplify and find the perimeter of the triangle
lbvjy [14]

Answer:

2x - 19

Step-by-step explanation:

Perimeter = sum of sides

First let's simplify each side

We can simplify each side by using distributive property. Distributive property is where you multiply the number on the outside of the parenthesis by the numbers on the inside of the parenthesis.

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