Calculadora interactiva

ax² + bx + c = 0

En resumen

5x - 30 = (5 / 2)x - 15 5x - (5 / 2)x = 30 - 15 (5 / 2)x = 15 5x = 30 x = 35 / 5 = 7.

Mejor respuesta

3

5x - 30 = (5 / 2)x - 15

5x - (5 / 2)x = 30 - 15

(5 / 2)x = 15

5x = 30

x = 35 / 5 = 7.