Question

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

5) - 2(x + 3) - 4(x -1)
6) 5 (2x - 4) - 3(4x + 6)
7) 5x-2x=8
8) 15x +2=3x+10
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Answer 1

Respuesta:

4) x = - 2/23

5) 4x-(-2(x+3)-16=0

6) -2x - 38

7) x = 3/8

8) x = 2/3

Answer 2

4)

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

3x - 3 = 5x + 20

3x = 5x + 20 + 3

3x = 5x + 23

3x - 5x = 23

-2x = 23

x = 23/-2

x = -23/2

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5)

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

-2x - 6 - 4x + 4

-2x - 4x - 2

-6x - 2

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6)

5(2x - 4) - 3(4x + 6)

10x - 20 - 12x - 18

10x - 12x - 38

-2x - 38

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7)

5x - 2x = 8

3x = 8

x = 8/3

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8)

15x + 2 = 3x + 10

15x = 3x + 10 - 2

15x = 3x + 8

15x - 3x = 8

12x = 8

x = 8/12

x = 2/3

Corona?