Por favor ayudenmen es para mayana lasecuacion de primer grado a qui estan los ejemplos les pido de favor siiiiiiiiii ayudenmen 7(x + 8) = - 7 2(x + 8) = 40 - x5(2x - 5) = - 25 3(2x - 5) = 45 + 4x6(3x?

7(x + 8) = - 7

7x + 56 = - 7 7x = - 7 - 56 7x = - 63 x = - 63 : 7 x = - 9

5(2x - 5) = - 25

10x - 25 = - 25 10x = - 25 + 25 10x = 0 x = 0 : 10 x = 0

6(3x - 2) = 24

18x - 12 = 24 18x = 24 + 12 18x = 36 x = 36 : 18 x = 2

9(3x - 7) = 18

27x - 63 = 18 27x = 18 + 63 27x = 81 x = 81 : 27 x = 3

4(x - 9) = - 16

4x - 36 = - 16 4x = - 16 + 36 4x = 20 x = 20 : 4 x = 5

2(x + 8) = 40 - x

2x + 16 = 40 - x

2x + x = 40 - 16 3x = 24 x = 24 : 3 x = 8

3(2x - 5) = 45 + 4x

6x - 15 = 45 + 4x

6x - 4x = 45 + 15 2x = 60 x = 60 : 2 x = 30

3(8x - 2) = 4(5x + 6)

24x - 6 = 20x + 24

24x - 20x = 24 + 6 4x = 30 x = 30 : 4 x = 7, 5

2(3x - 7) = 4x - 6

6x - 14 = 4x - 6

6x - 4x = - 6 + 14 2x = 8 x = 8 : 2 x = 4

4(x - 2) = 12 - x

4x - 8 = 12 - x

4x + x = 12 + 8 5x = 20 x = 20 : 5 x = 4.