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aaaa+8xaaa+aa+9xa=2019, a=?​

Răspuns :

Răspuns:

5a+8xaaa+9xa=2019

5a+8aaa+9a=2019

(5a+9a)+8aaa=

14a+8x3a=

14a+24a=2019

38a=2019

2019:38=