15x - 10 = 6x - (x + 2) + ( - x + 3)?
15x - 10 = 6x - (x + 2) + ( - x + 3).
15x - 10 = 6x - (x + 2) + ( - x + 3).
En resumen
15x - 10 = 6x - (x + 2) + ( - x + 3) <img src="https://tex.z-dn.net/?f=%5Cmathrm%7BQuitar%5C%3Alos%5C%3Aparentesis%7D%3A%5Cquad%20%5Cleft%28-a%5Cright%29%3D-a%0A%0A%0A15x-10%3D6x-%5Cleft%28x%2B2%5Cright%29-x%2B3" /> <img src="https://tex.z-dn.net/?
15x - 10 = 6x - (x + 2) + ( - x + 3)
<img src="https://tex.z-dn.net/?f=%5Cmathrm%7BQuitar%5C%3Alos%5C%3Aparentesis%7D%3A%5Cquad%20%5Cleft%28-a%5Cright%29%3D-a%0A%0A%0A15x-10%3D6x-%5Cleft%28x%2B2%5Cright%29-x%2B3" />
<img src="https://tex.z-dn.net/?f=%5Cmathrm%7BAgrupar%5C%3Aterminos%5C%3Asemejantes%7D%0A%0A15x-10%3D6x-x-%5Cleft%28x%2B2%5Cright%29%2B3" />
<img src="https://tex.z-dn.net/?f=%5Cmathrm%7BSumar%5C%3Aelementos%5C%3Asimilares%3A%7D%5C%3A6x-x%3D5x%0A%0A5x-10%3D5x-%5Cleft%28x%2B2%5Cright%29%2B3" />
<img src="https://tex.z-dn.net/?f=%5Cmathrm%7BDesarrollar%5C%3A%7D5x-%5Cleft%28x%2B2%5Cright%29%2B3%3A%5Cquad%204x%2B1" />
<img src="https://tex.z-dn.net/?f=15x-10%3D4x%2B1" />
<img src="https://tex.z-dn.net/?f=%5Cmathrm%7BSumar%5C%3A%7D10%5Cmathrm%7B%5C%3Aa%5C%3Aambos%5C%3Alados%7D%0A%0A15x-10%2B10%3D4x%2B1%2B10%0A%0A%0A15x%3D4x%2B11%0A%0A%0A%5Cmathrm%7BRestar%5C%3A%7D4x%5Cmathrm%7B%5C%3Ade%5C%3Aambos%5C%3Alados%7D%0A%0A%0A15x-4x%3D4x%2B11-4x%0A%0A%0A11x%3D11%0A%0A%5Cmathrm%7BSimplificar%7D%0A%0A%0Ax%3D1" />.
12 - 15 - 20 2 6 15 10 2 3 15 5 3 1 5 5 5 1 1 1 2x2x3x5 = 60 el número es multiplo de 60 + 3 150 + 3 < 60 K + 3 < 200 + 3 2. 5 < k < 3. 3 k = 3 Entonces 60 k + 3 = 60 (3) + 3 = 183 Respuesta Gabriela tiene 183 cajitas.
A. 2856 b. 3780 d. 180 e. 3060 f. 840.