[tex]a) (2x+3):2,5=6[/tex]
[tex](2x+3) \div \frac{5}{2} = 6[/tex]
[tex] (2x+3) \times \frac{2}{5} = 6[/tex]
[tex] \frac{4}{5} x + \frac{6}{5} = 6[/tex]
[tex]4x + 6 = 30[/tex]
[tex]4x = 30 - 6[/tex]
[tex]4x = 24[/tex]
[tex]x = 6[/tex]
[tex] b) 4x+ \frac{2}{5} -2008⁰ = \frac{14}{5}
[/tex]
[tex]4x + \frac{2}{5} - 1 = \frac{14}{5} [/tex]
[tex]4x - \frac{3}{5} = \frac{14}{5} [/tex]
[tex]4x = \frac{14}{5} + \frac{3}{5} [/tex]
[tex]4x = \frac{17}{5} [/tex]
[tex]x = \frac{17}{20} [/tex]
