[tex]4x - 5 + 4 = 3(2x - 5) \\ 4x - 1 = 6x - 15 \\ - 2x = - 14 | \div ( - 2) \\ x = 7[/tex]
Odpowiedź:
4x-5+4=6x-15
4x - 6x = - 15 +5 - 4
-2x = - 14 /:(-2)
x=7