a)
[tex]1.5 + x = 2[/tex]
[tex]x = \frac{4}{2} - \frac{3}{2} [/tex]
[tex]x = \frac{1}{2} [/tex]
Adevarat
b)
[tex]2x - 3 = - 2[/tex]
[tex]2x = - 2 + 3 = 1[/tex]
[tex]x = \frac{1}{2} [/tex]
Adevarat
c)
[tex](2x + \frac{1}{3} ) \div \frac{1}{4} = \frac{1}{3} [/tex]
[tex](2x + \frac{1}{3} ) \times 4 = \frac{1}{3} [/tex]
[tex]8 x+ \frac{4}{3} = \frac{1}{3} [/tex]
[tex]8x = - 1[/tex]
[tex]x = - \frac{1}{8} [/tex]
Fals
d)
[tex] \frac{36}{5} \times \frac{1}{x} = 3.6[/tex]
[tex] \frac{36}{5x} = \frac{36}{10} [/tex]
[tex]5x = 10[/tex]
[tex]x = 2[/tex]
Fals
