Помогите  решить  уравнения:

2х - 1.8 ( х - 3) = - 3.2

4 - 0.5 ( х + 9 ) = - 2.1

2 ( х - 4) - 1.2 ( х + 7 ) = - 0.4

3 ( х + 1) - 2.4 ( х - 0.5) = - 0.6

0.2 * (3|x| - 5) - 3 * ( 0.4 - 0.3 |x| ) = - 0.7

1.1 * ( 2|x| - 3) - 2 * ( 0.8 + |x| ) = - 0.9 

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