• Asignatura: Matemáticas
  • Autor: espinoza060913
  • hace 10 meses

por faaaaa ayúdenme ​

Adjuntos:

Respuestas

Respuesta dada por: Vcamarafalcon123
6

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6x + 8 = 50 \\ 6x = 50 - 8 \\ x = 7

2x + 32 = 60 \\ 2x = 60 - 32 \\ x = 14

 - 5x + 15 = 80 \\  - 5x = 80 - 15 \\ x =  - 13

8x + 4 = 5x +20  \\ 8x - 5x = 20 - 4 \\ 3x = 16 \\  \frac{3 x}{3} =  \frac{16}{3}   \\ x =  \frac{16}{3}

 - 9x - 4 = x + 76 \\  - 9x - x = 76 + 4 \\8x = 80 \\ x = 10

5(2x + 1) = 3(x + 1) \\ 10x +  5 = 3(x + 1) \\ 10x = 3x - 2 \\ x =  -  \frac{2}{7}

4(x + 2) = 3(x + 1) \\ 4x  = 3x - 1 \\ x =  - 1

 - 3(4x + 5) =  - 5(2x - 8) \\  - 12x - 15 = 5(2x + 8) \\  - 12x = 10x + 55 \\ x =  -  \frac{5}{2}

 - 8x - 3 =  - 43 \\  - 8x =  - 43 + 3 \\   - 8x =  - 40 \\ x = 5

12x = 60  \\ x = 5

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