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Sper ca team ajutat
[tex]1 \\ a)2x + 1 = 3 \div ( - 1) \\ 2x = 2 \div 2 \\ x = 1 \\ b)h + 3x = x + 18 \\ h = - 2x + 18 \\ h = - 2x + 18 \\ c)x \sqrt{2} = 4 \\ \sqrt{2}x = 4 \\ x = \frac{4}{ \sqrt{2} } \\ x = 2 \sqrt{2} \\ d) \frac{x}{2} - \frac{x}{3} = \\ 3x - 2x = 30[/tex]