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katrin2010 [14]
3 years ago
11

Answer pleaseeee??? Thanks

Mathematics
2 answers:
inessss [21]3 years ago
5 0

Answer:

True!

Step-by-step explanation:

3(10) - 9

30 - 9

21

algol133 years ago
3 0

Answer: false becuase you would add 9 to both sides simply 3x=19 then 19/3 then if u want to check it just plug 19/3 in the equation then cancel 3 simply 19-9.

Step-by-step explanation: i'm not so sure but hope it helps .

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