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A) 2(x + 5) - 4 = - x | b) x - 5 = 2 2x + 10 - 4 = - x | x = 2 + 5 2x + x = - 6 | x = 7 3x = - 6 x = - 6 / 3 x = - 2 c) x + 5 = 4 | d) 2x - 7 = 3 x = 4 - 5 | 2x = 10 x = - 1 | x = 10 / 2 x = 5 e) - 2x + 8 = 5x - 6 8 + 6 = 5x + 2x 14 = 7x 14 / 7 = x 2 = x.

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Omendozasanchez
6

A) 2(x + 5) - 4 = - x | b) x - 5 = 2 2x + 10 - 4 = - x | x = 2 + 5

2x + x = - 6 | x = 7

3x = - 6

x = - 6 / 3

x = - 2

c) x + 5 = 4 | d) 2x - 7 = 3 x = 4 - 5 | 2x = 10 x = - 1 | x = 10 / 2 x = 5

e) - 2x + 8 = 5x - 6 8 + 6 = 5x + 2x 14 = 7x 14 / 7 = x 2 = x.