HELP ME I WILL GIVE BRAINLISET PLEASE DON'T IGNORE HELP ME WITH 11 AND 13

asked May 2, 2022 138k views

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Answer:

11. x = 3 and BC = 8.

Explanation:

FA = 2BC so

3x + 7 = 2(3x - 1)

3x + 7 = 6x - 2

-3x = -9

x = 3

and BC = 3(3) - 1 = 8.

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