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Facucancun
9

A)5x = 25

x = 25 / 5

x = 5

b)2x = - 234

x = - 234 / 2

x = 117

c) - 120 = x×8 - 120 / 8 = x - 15 = x

d) - 24x = 96

x = - 96 / - 24

x = 4

e)68x = - 204

x = - 204 / 68

x = - 3

f) - 5x = - 9x - 24 - 5x + 9x = 24

4x = 24

x = 24 / 4

x = 6

g)5 + 2x = 5x - 2

5 + 2 = 5x - 2x

7 = 3x

7 / 3 = x

h)1 + 4x - 3 = 6x + 8

1 - 3 - 8 = 6x - 4x - 8 = 2x - 8 / 2 = x - 4 = x

I)25x = 120 - 5x + 10x.

25x + 5x - 10x = 120

20x = 120

x = 120 / 20

x = 6 (Este no entendi bien la letra, asique fijate so love copies bien).