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aivan3 [116]
3 years ago
7

Period:7x-9-11=3x+4+2x​

Mathematics
2 answers:
vazorg [7]3 years ago
7 0

Answer:

x=12

Step-by-step explanation:

combine like terms

creativ13 [48]3 years ago
4 0
-9-11-4=3x+2x-7x
-24=-2x
x=12
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