[6x{10:b+55}:3-18]x7-78=792
[6x{10:b+55}:3-18]x7=792+78
[6x{10:b+55}:3-18]x7=870
6x{10:b+55}:3-18=870:7
6x{10:b+55}:3-18=124,29
6x{10:b+55}:3=124,29+18
6x{10:b+55}:3=142,29
6x{10:b+55}=142,29x3
{10:b+55}=426,87:6
10:b+55=71,15
10:b=71,15-55
10:b=16,15
b=10:16,15
b=10x100/1615
b=1000/1615
b=0,62
Rezultatul este cam "ciudat", mai verifica odata enuntul