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(2•x-1)•4=60 urgent.

Răspuns :

(2·x-1)·4=60
2·x-1=60:4
2·x-1=15
2·x=15+1
2·x=16
x=16:2
x=8
Sper ca te-am ajutat!
2×x-1=60:4
2×x-1=15
2×x=15+1
2×x=16
x=16:2
x=8