MatemáticasBásico2 respuestas

RESOLVER :3?

RESOLVER : 3. (x + 2) = 81.

3Angierojasserna

En resumen

3(x + 2) = 81 3x + 6 = 81 3x = 81 - 6 3x = 75 x = 75 / 3 x = 25.

Mejor respuesta

Susanatoledomatry

2

3(x + 2) = 81

3x + 6 = 81

3x = 81 - 6

3x = 75

x = 75 / 3

x = 25.

Otras 1 respuestas

Respuesta 2

Sh6227046

1

<img src="https://tex.z-dn.net/?f=3%5Cleft%28x%2B2%5Cright%29%3D81" />

<img src="https://tex.z-dn.net/?f=%5Cmathrm%7BDividir%5C%3Aambos%5C%3Alados%5C%3Aentre%5C%3A%7D3%3A" />

<img src="https://tex.z-dn.net/?f=%5Cfrac%7B3%5Cleft%28x%2B2%5Cright%29%7D%7B3%7D%3D%5Cfrac%7B81%7D%7B3%7D" />

<img src="https://tex.z-dn.net/?f=x%2B2%3D27" />

<img src="https://tex.z-dn.net/?f=%5Cmathrm%7BRestar%5C%3A%7D2%5Cmathrm%7B%5C%3Ade%5C%3Aambos%5C%3Alados%7D%3A" />

<img src="https://tex.z-dn.net/?f=x%2B2-2%3D27-2" />

x = 25.