Question

80 - x + 1 = 20 x -10 -5 x + 25​

Answer 1

Respuesta:

$80 - x + 1 = 20 x -10 -5 x + 25 \\ 81 - x = 15x + 15 \\ 81 - 15 = 15x + x \\ 66 = 16x \\ \frac{33}{8} = x$