a)
[tex]2(3 - x) - 4(x - 5) = 2x + 2 \\ 6 - 2x - 4x + 20 = 2x + 2 \\ - 8x = 2 - 20 - 6 \\ - 8x = - 24 | \div ( - 8) \\ x = 3[/tex]
b)
[tex] \frac{x}{2} + 2 + \frac{x}{2} = 3 | \times 2 \\ x + 4 + x = 6 \\ 2x = 2 | \div 2 \\ x = 1[/tex]
c)
[tex]2(x - 4) = 4(x - 2) \\ 2x - 8 = 4x - 8 \\ - 2x = 0 | \div ( - 2) \\ x = 0[/tex]
