HELP ME PLEASE!
i’ll mark brainliest if you’re correct!
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Answer:
36
Step-by-step explanation:
7x+4 = 15x-12
7x = 15x-16
-8x = -16
-8x/-8 = -16/-8
x = 2
BD = 15x-12 + 9x
BD = 15(2)-12 + 9(2)
BD = 30-12 + 18
BD = 18 + 18
BD = 38