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(4 la putere x - 43) :3 + 23=30

Răspuns :

( 4ˣ -43):3+23=30
(4ˣ-43):3=30-23
(4ˣ-43):3=7
(4ˣ-43)=7*3
4ˣ=21+43
4ˣ= 64
4ˣ= 4³
x=3