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Montano1993 [528]
3 years ago
6

HELP PLS!!!!!!!!!!!!!!!!!!!!!!

Mathematics
1 answer:
NeX [460]3 years ago
4 0

Answer:

abd=16 and dbc = 74

Step-by-step explanation:

alr so x+9+11x-3 = 90, so you collapse that down into 12x +6= 90, subtract 6 from both sides to get 84, then divide both sides by 12 to get x = 7. Then, you just have to plug x back into x+9 and 11x-3

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