MatemáticasBásico1 respuestas

Verifica si el valor de la incógnita satisface la ecuación 4(2x - 5) + 8 = 45 - x x = 6?

Verifica si el valor de la incógnita satisface la ecuación 4(2x - 5) + 8 = 45 - x x = 6.

8Randymorales122

Calculadora interactiva

ax² + bx + c = 0

En resumen

<img src="https://tex.z-dn.net/?

Mejor respuesta

Maleja2000

7

<img src="https://tex.z-dn.net/?f=4%282x-5%29%2B8%3D45-x%0A%0A4%282%286%29-5%29%2B8%3D45-6%0A%0A4%2812-5%29%2B8%3D39%0A%0A4%287%29%2B8%3D39%0A%0A28%2B8%3D39%0A%0A36%20%5Cneq%2039" />

x = 6 no satisfase la ecuacion

Si quieres que satisfaga la ecuacion seria de la siquiente forma :

<img src="https://tex.z-dn.net/?f=4%282x-5%29%2B8%3D45-x%0A%0A8x-20%2B8%3D45-x%0A%0A8x-12%3D45-x%0A%0A8x%2Bx%3D45%2B12%0A%0A9x%3D57%0A%0Ax%3D57%2F9%0A%0Ax%3D6.3" />

comprovacion

<img src="https://tex.z-dn.net/?f=4%282x-5%29%2B8%3D45-x%0A%0A4%282%286.3%29-5%29%2B8%3D45-6.3%0A%0A4%2812.6-5%29%2B8%3D38.7%0A%0A4%287.6%29%2B8%3D38.7%0A%0A30.4%2B8%3D38.7%0A%0A38.4%3D38.7" />

x = 6.

3 satisfase la ecuacion.