Question

10y-20y-y-15y+80y+40-40=15y-12y-25

Answer 1

Respuesta:

$y = - \frac{25}{51}$

Explicación:

calcular:

10y+80y -20y-y-15y +40-40=15y-12y-25

90y -36y +0 = 3y-25

54y=3y-25

despejar y:

54y-3y=-25

51y=-25

$y = - \frac{25}{51}$