Tìm x

Tìm x<!--[if gte vml 1]> <!--[endif]--><!--[if gte mso 9]--><xml> </xml><![endif]--> biết:
1/   x – 5 = - 1;                                                    

2/   x + 30 = - 4;

3/   x – (- 24) = 3;                                                

4/   22 – (- x) = 12;

5/   15 – (4 – x) = 6;                                             

6/    - 30 + (25 – x) = - 1;

7/   (x – 12 – 25) = -8;                                       

8/   175 – 5(x + 3) = 85

9/ 200 – (2x + 6) = 43

10/ 2x – 49 = 5.32