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2pe5•x-1pe2=1pe10 ajutor va rog

Răspuns :

[tex] \frac{2}{5} \times x - \frac{1}{2} = \frac{1}{10} [/tex]

[tex] \frac{2x}{5} - \frac{1}{2} = \frac{1}{10} \: | \times 10[/tex]

[tex]4x - 5 = 1[/tex]

[tex]4x = 1 + 5[/tex]

[tex]4x = 6[/tex]

[tex]x = \frac{6}{4} [/tex]

[tex]x = \frac{3}{2} [/tex]
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