[tex]Zadanie\\\\1.\\\\5x+4-6x=0\ \ \mid-4\\\\-x=-4\ \ \mid\cdot(-1)\\\\x=4\\\\\\\ 2.\\\\\frac{8-2x}{2}=10 \\\\4-x=10\ \ \mid-4\\\\-x=6\ \ \mid\cdot(-1)\\\\x=-6[/tex]
