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pas du pas

Răspuns:
X=2035147/8160803
Explicație pas cu pas:
x+1/3+x+1/15+x+1/4080399=1010/2021
680065(x+1)+1360133(x+1)+5(x+1)=10195950
680065x+6800665+1360133x+1360133+5x+5=10195950
7160803x=1095590-8160803
8160803x=de 035147
X=2035147/8160803
Formula alternativa :
X=0, 249381