c)
[tex]8(1-3a)-3(a-2)=2a+5\\8-24a-3a+6=2a+5\\14-27a=2a+5\\-27a-2a=5-14\\-29a=-9\\a=\frac{9}{29}[/tex]
d)
[tex]\frac{5}{8} +\frac{x}{2} =1,5+\frac{x}{4} +\frac{1}{8} \\\frac{5}{8} +\frac{x}{2} =\frac{3}{2} +\frac{x}{4} +\frac{1}{8} \\\frac{5}{8} +\frac{x}{2} =\frac{13}{8} +\frac{x}{4} \\5+4x=13+2x\\4x-2x=13-5\\2x=8/:2\\x=4[/tex]
e)
[tex](x+2)(3x-1)=(3x+1)(x-2)\\3x^{2} -x+6x-2=3x^2-6x+x-2\\-x+6x=-6x+x\\5x=-5x\\5x+5x=0\\10x=0/:10\\x=0[/tex]
