[tex] \frac{1}{2} [/tex] + [tex] \frac{4}{2} [/tex]x =x + [tex] \frac{4}{10} [/tex] [tex] \frac{1}{2} [/tex] +2x=x+[tex] \frac{2}{5} [/tex] subtract x from each side [tex] \frac{1}{2} [/tex] + x=[tex] \frac{2}{5} [/tex] now subtract [tex] \frac{1}{2} [/tex] from each side x= -0.1
