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tresset_1 [31]
2 years ago
11

I really need help with this!! I’ll give brainliest to who ever answers!!

Mathematics
1 answer:
Serhud [2]2 years ago
5 0

Answer:

a. triangle DEF's lines are all 3 times more than triangle ABC

b. triangle DEF's lines are all 3 times more than triangle ABC

c. 2.5 times 2 = 5

I hope u can elaborate a bit more :)

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Answer:

The answer is X = 18

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Move the constant to the right hand side and change its sign : 2x = 15 + 21

Calculate 2x = 15 + 21

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Answer X = 18

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