Question

rezolvati in Z ecuatiile urmatoare. 2x=-8, 3x=-6, 4x=-8, 3x=-9, -4x=-12, -3x=-15, -2x=-14, -4x=-24

Answer 1

$2x = - 8 \\ x = \frac{ - 8}{2} \\ x = - 4 \: \: care \: e \: in \: z$

$3x = - 6 \\ x = - 2$

$- 4x = - 12 \\ x = \frac{ - 12}{ - 4 } \\ x = 3$

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