Równanie A:
[tex]4x+ 6 = 38 \ \ \ \ /-6\\4x = 32 \ \ \ \ /:4\\x = 8[/tex]
Równanie B:
[tex]6x- 11 = 25 \ \ \ \ /-11\\6x = 36 \ \ \ \ /:6\\x = 6[/tex]
Równanie C:
[tex]9x + 12 - 3x = 18\\6x+12 = 18 \ \ \ \ /-12\\6x = 6 \ \ \ \ /:6\\x=1[/tex]
Równanie D:
[tex]6x = 24 - 2x\\6x = -2x+24 \ \ \ \ /+2x\\8x = 24 \ \ \ \ /:8\\x = 3[/tex]
Równanie E:
[tex]11x - 9 = 7x - 5 \ \ \ \ /-7x\\4x-9 = -5 \ \ \ \ /+9\\4x = 4 \ \ \ \ /:4\\x = 1[/tex]