Question

cual es la solucion :
20x/4 - 10 =20

6+ x/2 =48

-20 + 6x =50

Answer 1

20x / 4 - 10 = 20
(20x - 10)/4 = 20
20x - 10 = 20 x 4
20x - 10 = 80
20x = 90
x = 4.5

6+x/2 = 48
6 + x = 48 x 2
6 + x = 96
x = 90

-20 + 6x = 50
6x = 50 + 20
6x = 70
x = 11.6666666667