512 - x = 134
x = 512 - 134
x = 378 → scazatorul
V: 512 - 378 = 134
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x : 6 = 178
x = 178 × 6
x = 1 068
V: 1 068 : 6 = 178
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( 5 × X + 4 ) : 6 - 1 = 3
( 5 × X + 4 ) : 6 = 3 + 1
( 5 × X + 4 ) : 6 = 4
5 × X + 4 = 4 × 6
5 × X = 24 - 4
5 × X = 20
X = 20 : 5
X = 4