[tex]Zadanie\\\\a)\\\\3x-4-x=16\ \ \mid+4\\\\2x=20\ \ \mid:2\\\\x=10\\\\b)\\\\6x=3x+4\ \ \mid-3x\\\\3x=4\ \ \mid:3\\\\x=\frac{4}{3}\\\\x=1\frac{1}{3}\\\\c)\\\\-6+4x=5x+4\ \ \mid+6\\\\4x=5x+10\ \ \mid-5x\\\\-x=10\ \ \mid\cdot(-1)\\\\x=-10[/tex]
[tex]d)\\\\7x+3=14\ \ \mid-3\\\\7x=11\ \ \mid:7\\\\x=\frac{11}{7}\\\\x=1\frac{4}{7}\\\\e)\\\\4+5x- 2=7x-7\\\\5x+2=7x-7\ \ \mid-2\\\\5x=7x-9\ \ \mid-7x\\\\-2x=-9\ \ \mid:(-2)\\\\x= \frac{-9}{-2}\\\\x=4\frac{1}{2}[/tex]
