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3 supra 4 * x + 7 supra 8 = - 1 supra 8

Răspuns :

CarMina03
[tex] \frac{3}{4} *x+ \frac{7}{8} =- \frac{1}{8} \\ \frac{6}{8} *x+ \frac{7}{8} =- \frac{1}{8 } \\ \frac{6x+7}{8} =- \frac{1}{8} \\ 6x+7=-1 \\ 6x=-1-7 \\ 6x=-8 \\ x=- \frac{8}{6} \\ x=- \frac{4}{3} [/tex]

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