Question

1. Resolva as seguintes equaçoes. a) 5 - (4x + 2) = 8 + 2(x - 1)


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Answer 1

5 - 4x - 2 = 8 +2x - 2
-4x - 2x = 8 - 2 - 5 + 2
- 6x = 6 - 5 + 2
- 6x = 1 + 2
- 6x = 3 (-1)
6x = -3
x = -3/6
x = -1/2