Question

Ecuacion de primer grado

Answer 1

(x/3) + 5 = (x+9)/2
(x/3) + 5 = (x/2) + (9/2)
(x/3) - (x/2) = (9/2) - 5
(2x/6) - (3x/6) = (9/2) - (10/2)
x(2-3)/6 = (9-10)/2
-x/6 = -1/2
x = -6*-1/2
x = 6/2
x = 3

comprobación
(3/3)+5 = (3+9)/2
1+5 = 12/2

Respuesta:
x = 3

Answer 2

Respuesta:

(x/3) + 5 = (x+9)/2

(x/3) + 5 = (x/2) + (9/2)

(x/3) - (x/2) = (9/2) - 5

(2x/6) - (3x/6) = (9/2) - (10/2)

x(2-3)/6 = (9-10)/2

-x/6 = -1/2

x = -6*-1/2

x = 6/2

x = 3