Respuesta :
5x/2 +2 = 20+2
(5x +4)/2 =22
5x +4 = 22*2
5x +4 = 44
5x = 44-4
5x = 40
x = 40/5
x = 8
comprobacion
5*8/2 +2 = 22
40/2 +2 =22
20+2 =22
22 = 22
(5x +4)/2 =22
5x +4 = 22*2
5x +4 = 44
5x = 44-4
5x = 40
x = 40/5
x = 8
comprobacion
5*8/2 +2 = 22
40/2 +2 =22
20+2 =22
22 = 22