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12 + 5x - [ - ( - x + 6) - 2 + 4x] + 5 = 7x + 6Me ayudan?

12 + 5x - [ - ( - x + 6) - 2 + 4x] + 5 = 7x + 6 Me ayudan?

1Te5fiverderCh

En resumen

12 + 5x - [ - ( - x + 6) - 2 + 4x] + 5 = 7x + 6 = 12 + 5x - [x - 6 - 2 + 4x] + 5 = 7x + 6 = 12 + 5x - [5x - 8] + 5 = 7x + 6 = 12 + 5x - 5x + 8 + 5 = 7x + 6 = 25 = 7x + 6 = 25 - 6 = 7x = 19 = 7x = 19 / 7 = x.

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Sviejd62839292

3

12 + 5x - [ - ( - x + 6) - 2 + 4x] + 5 = 7x + 6 = 12 + 5x - [x - 6 - 2 + 4x] + 5 = 7x + 6 = 12 + 5x - [5x - 8] + 5 = 7x + 6 = 12 + 5x - 5x + 8 + 5 = 7x + 6 = 25 = 7x + 6 = 25 - 6 = 7x = 19 = 7x = 19 / 7 = x.