zad. 1
[tex]a)3x - 5 = 4 + 2x \\ 3x - 2x = 4 + 5 \\ x = 9 \\ c) - 5x - 17 = - 9x + 3 \\ - 5x + 9x = 3 + 17 \\ 4x = 20 \\ x = 5 \\ d)7x + 14 = 5x - 22 \\ 7x - 5x = - 22 - 14 \\ 2x = - 36 \\ x = - 18[/tex]zad.2
[tex]a)2(x - 3) + 3(4 - x) = 5 \\ 2x - 6 + 12 - 3x = 5 \\ 2x - 3x = 5 + 6 - 12 \\ - x = 11 - 12 \\ - x = - 1 \\ x = 1[/tex]
[tex]b)3(x - 4) - 2(2x - 5) = - 4 \\ 3x - 12 - 4x + 10 = - 4 \\ 3x - 4x = - 4 + 12 - 10 \\ - x = - 2 \\ x = 2[/tex]
