Question

10 x sobre 2 mais x menos 2 igual a zero

Answer 1

10x/2+x-2=0    
10x+2x-4/2 =0/2
10x+2x=4+0
12x=4
x= 4/12
^o^

Answer 2

$\frac{10x}{2} +x-2=0 \\ 5x+x-2=0 \\ 6x-2=0 \\ 6x=-2 \\ x= \frac{-2}{-6} \\ x= \frac{1}{3}$

Espero ter ajudado