[tex]3)\\\frac{1}{2}x + 5 - x = 2 /-5\\\frac{1}{2}x-x=2-5\\-\frac{1}{2}x = -3 /*(-2)\\x = 6[/tex]
[tex]4)\\3x+5x-7=10 /+7\\3x+5x = 10+7\\8x = 17 /:8\\x = \frac{17}{8} = 2\frac{1}{8}[/tex]
[tex]5) \\\frac{5-3x}{3} = 4 /*3\\5-3x=4*3\\5-3x=12 /-5\\-3x=12-5\\-3x = -7 /:-3\\x = \frac{7}{3} = 2\frac{1}{3}[/tex]
[tex]6) \\\frac{1+5x}{5} = 2 /*5\\1+5x = 2*5 \\1+5x = 10 /-1\\5x = 10-1\\5x = 9 /:5\\x = \frac{9}{5} = 1\frac{4}{5}[/tex]
