Question

1)resolver las siguientes ecuaciones aplicando la propiedad distributiva ​

Answer 1

Respuesta:

d) x= 31

e) x = 17

f) X = 4

Explicación paso a paso:

d)

8. (x-3) = 7. (x+1)

8.X - 8.3 = 7.x + 7.1

8x -24 = 7x +7

8x - 7x = +7 +24

x = 31

e)

5. ( x - 3 ) +2x = 4. ( x + 9)

5.x -5.3 +2x = 4.x +4.9

5x -15 +2x = 4x +36

5x +2x -4x = 36 +15

3x = 51

x = 51:3

x = 17

f)

4x +6. (x - 1) +1 = 5. (x+3)

4x +6.x -6.1 +1 = 5.x +5.3

4x +6x -6 +1 = 5x +15

4x +6x -5x = 15 +6 -1

5x = 20

x= 20:5

X = 4