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ecuația 6×(3x+4)+15=201 in N

Răspuns :

6×(3x+4)+15=201; 6×3x+6×4+15=201; 18x+24+15=201; 18x+39=201; 18x=201-39; 18x=162; x=162:18; x=9 Sper ca ti-am fost de ajutor :)
[tex]6(3x+4)+15=201\\ 18x+24=201-15\\ 18x+24=186\\ 18x=186-24\\ 18x=162\\ x=162:18\\ x=9[/tex]