Question

(sobre 2) 5 + 2x = (sobre 5) 4x + 1

Answer 1

Solución:

5(5 + 2x) = 2(4x + 1)

25 + 10x = 8x + 2

25 + 10x - 8x = 2

2x = 2 -25

2x = -23

x = -23/2

Forma alternativa:

x = -11.5