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Aflati valoarea lui x din egalitatea:

104-64:{13-12:[22-21:(37-4x)]+4}=100


Răspuns :

104-64:{13-12:[22-21:(37-4x)]+4}=100
64:{13-12:[22-21:(37-4x)]+4} = 104-100
64:{13-12:[22-21:(37-4x)]+4}=4
{13-12:[22-21:(37-4x)]+4}=64:4
13-12:[22-21:(37-4x)]+4=16
13-12:[22-21:(37-4x)] = 16-4
13-12:[22-21:(37-4x)] = 12
12:[22-21:(37-4x)] = 13-12
12:[22-21:(37-4x)] = 1
22-21:(37-4X) = 12:1
22-21:(37-4X) = 12
21:(37-4X) = 22-12
21:(37-4X ) = 10
37-4X = 21/10
4X = 37-21/10
4X = (370-21)10
4X = 349/10
4X = 34,9 / :4
X = 8,725