Respuesta :

answer = x

Step-by-step explanation:

x over 2 + x over 2

(x+x)/2 = (2x)/2

0 = (2x)/2

move 2 beside 0

2 = 2x

move 2 to left

when 2 in right side is positive, if it moves to left it will be negative, then it will be,

2-2 = x

= x #