Question

determine o valor de 2x+4

Answer 1

2x/5 + 15x - 1/20 = 1/3

24x/60 + 45x - 3/60 = 20/60

24x + 45x - 3 = 20

24x + 45x = 20 + 3

69x = 23

x = 23/69

x = 1/3

2x + 4

= 2 * (1/3) + 4

= 2/3 + 4

= 2/3 + 12/3

= 14/3