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Ann [662]
3 years ago
5

I will give brainlist please someone help!!!​

Mathematics
1 answer:
Cerrena [4.2K]3 years ago
6 0

Answer:

x = 6

Step-by-step explanation:

Alternate angles are congruent.

7x - 9 = 3x + 15               {Subtract 3x form both sides}

7x - 3x -9 = 15

      4x - 9=15            {Add 9 to both sides}

           4x = 15+9

           4x = 24

           x = 24/4

x = 6

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