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(73:3×8+16×8+2×b×2):12=29

Răspuns :

(73:3×8+16×8+2×b×2):12=29
(73:3×8+16×8+2×b×2)=384
4b=384-(73:3*8+128)
4b=384-(584:3+128*3)
4b=384-(584+384):3
12b=1152-968
b=184:12